what is the probability that the sample proportion will be within 0.05 of the population proportion experiencing click fraud?

Answers

Answer 1

There is a 95% probability that the sample proportion will be within 0.05 of the population proportion experiencing click fraud.

To find the probability that the sample proportion will be within 0.05 of the population proportion experiencing click fraud, we need to use the formula for the margin of error:

[tex]$$E = z_{\alpha/2}\sqrt{\frac{p(1-p)}{n}}$$[/tex]

where E is the margin of error, [tex]$z_{\alpha/2}$[/tex] is the critical value for the desired confidence level (let's assume 95%, so [tex]$z_{\alpha/2} = 1.96$[/tex]), p is the population proportion of websites experiencing click fraud, and n is the sample size.

We know that p=0.15, so we can plug in the values:

[tex]$$E = 1.96\sqrt{\frac{0.15(1-0.15)}{400}} = 0.05$$[/tex]

So the margin of error is 0.05. This means that there is a 95% probability that the sample proportion will be within 0.05 of the population proportion experiencing click fraud.

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Related Questions

ginas journal has a square cover with the side length shown. what is the perimeter of the journal? what is the area of the jouranl?

Answers

The given is of the square cover of Gina's journal with a side length of 24 cm. So the perimeter of the journal is  96 cm and the area of the journal would be 576 square cm.

If Gina’s journal has a square cover with a side length of 24 cm, then the perimeter of the journal would be 4 times the side length,

     Which is 4 x 24 = 96 cm.

To calculate the area of a square, you need to multiply the length of one of its sides by itself.

     The formula for the area of a square is,

      Area = Side x Side or Area = Side².

Therefore, the area of the journal would be the side length squared,  

      Which is  24 x 24 = 576 square cm.

Question: Gina's journal has a square cover with the side length shown as 24 cm. what is the perimeter of the journal? what is the area of the journal?

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Write an equation to represent each relationship

Answers

This equation represents the linear relationship between the dependent variable (y) and the independent variable (x) with a slope of 2 and a y-intercept of -3.

However, I can provide a general example using common terms in algebra:
Terms: Dependent variable (y), independent variable (x), slope (m), and y-intercept (b).
To represent a linear relationship between two variables, we can use the equation of a straight line, which is often written as:
[tex]y = mx + b[/tex]
Here's what each term in the equation represents:
1. y: This is the dependent variable, meaning its value depends on the value of the independent variable (x). In a graph, it is usually represented on the vertical axis.
2. x: This is the independent variable, which can take any value within a given range. It is usually represented on the horizontal axis in a graph.
3. m: This is the slope of the line, representing the rate at which the dependent variable (y) changes with respect to the independent variable (x). A positive slope indicates an increasing relationship, while a negative slope indicates a decreasing relationship.
4. b: This is the y-intercept, which is the point where the line crosses the y-axis. It represents the value of the dependent variable (y) when the independent variable (x) is equal to zero.
simply plug in the values for the slope (m) and y-intercept (b). For example, if the slope is 2 and the y-intercept is -3, the equation would be:
[tex]y = 2x - 3[/tex]

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true of false: dispersion models are selected based on the phase of the material being modeled in a release scenario

Answers

The statement "dispersion models are selected based on the phase of the material being modeled in a release scenario" is true as Different dispersion models are needed for different phases (gas, liquid, solid) due to differences in behavior and transport mechanisms.

Dispersion models are used to predict the spread of pollutants, and they depend on the physical and chemical properties of the material being released.

Generally, different models are used for each phase of the material, such as the Gaussian plume model for gases, the plume rise model for heated gases, and the particle dispersion model for particles.

Each of these models is based on different characteristics and equations which allow for the most accurate prediction of the dispersion of pollutants.

For example, the Gaussian plume model considers the wind velocity, turbulence, and buoyancy of the released material, whereas the plume rise model considers the momentum, thermal expansion, and buoyancy of the released material.

Therefore, dispersion models are selected based on the phase of the material being modeled in a release scenario.

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Type the correct answer in the box. Use numerals instead of words.
The cost to manufacture the KZR 250 model of motorcycle at the Kawahama factory is shown in the table below.
Number of Motorcycles
Cost
Manufactured
0
1
3
8
15
$
$0.00
$4,590.00
$12,240.00
$22,950.00
Using the information in the table, determine the constant of proportionality, and use it to complete the table.

Answers

The constant of proportionality is the cost per unit. In this case, it can be calculated by dividing the cost of 1 motorcycle by the number of motorcycles.

What is unit?

Unit is an individual item or segment of a larger whole. It is used to measure or quantify different elements or entities, including physical objects, abstract concepts, and even people. In mathematics, a unit is a number or quantity that is equal to one. In the physical sciences, a unit is a standard amount of a certain quantity, such as a kilogram or an hour. In economics, a unit is a measure of a certain commodity or factor of production, such as labor or capital.

Constant of Proportionality = Cost per Motorcycle = 4,590 / 1 = 4,590

Using this constant of proportionality, we can complete the table as follows:

Number of Motorcycles

Cost

Manufactured

0

1

3

8

15

$

$0.00

$4,590.00

$13,770.00

$36,720.00

$68,850.00

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The constant of proportionality is 4,080.00. Using this constant, we can calculate the cost for each number of motorcycles.

What is constant?

A constant is a quantity or value that remains unchanged over time. It is a fixed value that does not vary and is unaffected by external influences. Constants are used in mathematics, physics, chemistry, and other sciences to represent a fixed value.

Number of Motorcycles
Cost
Manufactured
0
1
3
8
15
$
$0.00
$4,590.00
$12,240.00
$22,950.00
25
$37,275.00
The constant of proportionality is the rate of increase in cost as the number of motorcycles manufactured increases. This can be calculated by dividing the cost of each number of motorcycles by the number of motorcycles.
For example, when 1 motorcycle is manufactured, the cost is $4,590.00, so the constant of proportionality is $4,590.00 / 1 = $4,590.00.
When 3 motorcycles are manufactured, the cost is $12,240.00, so the constant of proportionality is $12,240.00 / 3 = $4,080.00.
Therefore, the constant of proportionality is 4,080.00. Using this constant, we can calculate the cost for each number of motorcycles.

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help will be much appreciated

Answers

The average speed of the total journey is 75 kilometres per hour.

How to find average speed?

Anil completes the 72 kilometres journey between Bristol and Cardiff for 48 minutes. He then drive 69 kilometres from Cardiff to Swansea at an average speed of 60 kilometres per hour.

Therefore, let's find Anil average speed for the total of his journey as follows:
speed of his first journey = distance / time

speed of his first journey = 72 / 48

speed of his first journey = 1.5 km/minutes = 90 km/hrs

Therefore,

average speed of the total journey = 90 + 60 / 2

average speed of the total journey = 150 / 2

average speed of the total journey = 75 kilometres per hour

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4. Determine the length of supporting guy wires from the top of a 45 ft. tall cell
phone tower if they are secured to the ground 28 ft. horizontally from the base
of the tower.

Answers

Accοrding tο the Pythagοrean theοrem, the length οf the suppοrting guy wires frοm the tοp οf the 45 ft. tall cell phοne tοwer, if they are secured tο the grοund 28 ft. hοrizοntally frοm the base οf the tοwer, is 53 ft.

What is Pythagοrean theοrem?

The Pythagοrean theοrem is a fundamental result in Euclidean geοmetry that describes the relatiοnship between the three sides οf a right-angled triangle.

In equatiοn fοrm, this can be written as:

c² = a² + b²

where c is the length οf the hypοtenuse, and a and b are the lengths οf the οther twο sides (alsο knοwn as the legs) οf the right-angled triangle.

In this case, the tοwer, the grοund, and the guy wire fοrm a right triangle. We knοw the height οf the tοwer is 45 ft, and the hοrizοntal distance frοm the base οf the tοwer tο where the guy wire is secured tο the grοund is 28 ft. Let's call the length οf the guy wire c. Then, we have:

a = 28 ft (hοrizοntal distance frοm the base οf the tοwer tο where the guy wire is secured)

b = 45 ft (height οf the tοwer)

c = length οf the guy wire (hypοtenuse)

Using the Pythagοrean theοrem, we can sοlve fοr c:

[tex]a^2 + b^2 = c^2[/tex]

[tex]28^2 + 45^2 = c^2[/tex]

[tex]784 + 2025 = c^2[/tex]

[tex]2809 = c^2[/tex]

[tex]c = \sqrt{(2809)[/tex]

c ≈ 53 ft

Therefοre, the length οf the suppοrting guy wires frοm the tοp οf the 45 ft. tall cell phοne tοwer, if they are secured tο the grοund 28 ft. hοrizοntally frοm the base οf the tοwer, is apprοximately 53 ft.

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A pharmacist mixes 10 grams of a 15% medicine solution with 25 grams of a 10% medicine solution. Suppose we know that after she adds the x grams of pure medicine the pharmacists mixture is 25% medicine solution. Write an equation

Answers

The equation that represents the situation is (4 + x) / (10 + 25 + x) = 0.25

Let's start by finding the amount of medicine in the original mixture before adding any pure medicine.

The amount of medicine in the 10 grams of 15% solution is

0.15 × 10 = 1.5 grams

The amount of medicine in the 25 grams of 10% solution is

0.10 × 25 = 2.5 grams

So the total amount of medicine in the original mixture is,

1.5 + 2.5 = 4 grams

Now let x be the amount of pure medicine added.

The total amount of medicine in the final mixture is,

4 + x

The total amount of solution in the final mixture is,

10 + 25 + x

So the concentration of the final mixture is,

(4 + x) / (10 + 25 + x)

We know that this concentration is 25%, so we can write:

(4 + x) / (10 + 25 + x) = 0.25

This is the equation that represents the situation.

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The given question is incomplete, the complete question is:

A pharmacist mixes 10 grams of a 15% medicine solution with 25 grams of a 10% medicine solution. Suppose we know that after she adds the x grams of pure medicine the pharmacists mixture is 25% medicine solution. Write an equation that represents the situation

assuming the rest of your diet remains constant, how many days will it take you to lose 10 pounds? you must burn an extra 3500 calories to lose 1 pound of body weight. express your answer using two significant figures.

Answers

The number of days that it would take to lose 10 pounds, given the calories in the morning latte is 97 days.

How to find the number of days ?

Determine the total number of calories you need to burn to lose 8 pounds:

Calories to burn = Pounds to lose × Calories per pound

Calories to burn = 8 × 3,500 = 28,000

Calculate the number of calories you save per day by giving up your morning latte:

Daily calorie savings = Calories in latte

Daily calorie savings = 290

Determine how many days it would take to burn the total number of calories needed to lose 8 pounds:

Days to lose weight = Calories to burn / Daily calorie savings

Days to lose weight = 28,000 / 290 = 97 days

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Full question is:

Assuming the rest of your diet remains constant, how many days will it take you to lose 8 pounds? You must burn an extra 3500 Calories to lose 1 pound of body weight. (your daily latte contains 290 Calories. You want to lose weight by giving up your morning latte and drinking water instead.)

Customer three found a hair in their taco! To make up for it, you gave 40% off their order, but they still had to pay a 4.5% sales tax. What is the new cost of the order?

Answers

The new cost of the order is 62.7% of the original price where still 4.5% sales tax had to pay.

What is discount?

A discount is a reduction in the price of an item or service, usually expressed as a percentage of the original price.

According to question:

Let's assume the original cost of the order was $x.

After the 40% discount, the customer paid 60% of the original cost, which is 0.6x.Then, the 4.5% sales tax is applied to the discounted price of 0.6x, which is 0.045(0.6x) = 0.027x.So the final cost of the order is the discounted price plus the sales tax:

        0.6x + 0.027x = 0.627x

Therefore, the new cost of the order is 62.7% of the original price.

For example, if the original cost of the order was $20, then the discounted price is $12 (60% of $20), and the sales tax is $0.324 (4.5% of $12). The final cost of the order would be $12.324.

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iii) iv) 1 km 200 m - 500 m = 876 m + 1 km 500 m = v) 2 km 50 m - 950 m =I want answers my questions

Answers

The solution to the conversion of units are:

iii) 1 km 200 m - 500 m = 700 m

iv) 876 m + 1 km 500 m = 2km 376 m

v) 2 km 50 m - 950 m = 1 km 100 m

How to carry out conversion of units?

iii) We want to solve:

1 km 200 m - 500 m

From conversion factors, we know that:

1 km = 1000 m

Thus:

1 km 200 m = 1000m + 200 m = 1200 m

Thus:

1 km 200 m - 500 m = 1200 m - 500 m

= 700 m

iv) We want to solve:

876 m + 1 km 500 m

From conversion factors, we know that:

1 km = 1000 m

Thus:

876m = 0.876 km

1 km 500 m = 1.5 km

Thus:

876 m + 1 km 500 m = 0.876 km + 1.5 km

= 2.376 km or 2km 376 m

v) We want to solve:

2 km 50 m - 950 m

From conversion factors, we know that:

1 km = 1000 m

Thus:

2 km 50 m = 2.05 km

950m = 0.95 km

Thus:

2 km 50 m - 950 m = 2.05 km - 0.95 km

= 1.1 km or 1 km 100 m

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consider a 20-lb pink flamingo that stands 3 ft in height and has legs that are 2 ft in length. model the height and leg length of a 100-lb flamingo. what assumptions are necessary? are they reasonable assumptions?

Answers

The height of a 100-lb flamingo can be estimated by assuming that it would be proportional to the height of the 20-lb pink flamingo. Based on this assumption, the 100-lb flamingo would be 6 ft tall.

The leg length of a 100-lb flamingo can be estimated by assuming that it would also be proportional to the leg length of the 20-lb pink flamingo. Using this assumption, the 100-lb flamingo would have legs 4 ft in length.

These assumptions are reasonable given that the difference in size of the two flamingos is only a factor of 5. This means that the size difference between the two is not large enough to drastically change the proportions of their bodies. Thus, it is a fair assumption that the proportions of their height and leg length would remain roughly the same.

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traveling for 3 hr into a steady headwind, a plane flies 1650 mi. the pilot determines tha tflying with the same wind for 2 hr, he could make a trip of 1300. find the rate of the plane and the wind speed

Answers

The rate of the plane (in still air) is 600 miles per hour and the speed of the wind is 50 miles per hour.

Let's denote the rate of the plane (in still air) by p and the speed of the wind by w.

From the first part of the problem, we know that the plane flies 1650 miles in 3 hours against the headwind. This means that the effective speed of the plane (relative to the ground) was 1650/3 = 550 miles per hour slower than its speed in still air, i.e., p - w = 550.

From the second part of the problem, we know that the plane could make a trip of 1300 miles in 2 hours with the same wind. This means that the effective speed of the plane (relative to the ground) was 1300/2 = 650 miles per hour faster than its speed in still air, i.e., p + w = 650.

Now we have two equations with two unknowns, which we can solve using a system of equations. Adding the two equations, we get:

2p = 1200

Therefore, p = 600 miles per hour. Substituting this value into one of the equations, we get:

600 + w = 650

Therefore, w = 50 miles per hour.

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find the probability that the proportion of the sampled teenagers who own a smartphone is between 0.35 and 0.45

Answers

The probability that the proportion of the sampled teenagers who own a smartphone is between 0.35 and 0.45 is [tex]P(X) = 100Cx (0.4)^x (1-0.4)^(100-x).[/tex]

The formula is [tex]P(X) = nCx (p)^x (1-p)^(n-x)[/tex], where n is the number of trials, x is the number of successes, and p is the probability of success for one trial. In this case, n represents the number of teenagers sampled, x represents the number of teenagers who own a smartphone, and p represents the probability that any one teenager owns a smartphone.

First, let us calculate p. The probability of success (owning a smartphone) is the proportion of the sampled teenagers who own a smartphone, which is between 0.35 and 0.45. Since the probability of success lies between 0.35 and 0.45, we can take the average of these numbers, which is 0.4. This number (0.4) is p.

Next, let us calculate x. The number of successes (teenagers who own a smartphone) is the proportion of the sampled teenagers who own a smartphone, which is between 0.35 and 0.45. Since the number of successes lies between 0.35 and 0.45, we can take the average of these numbers, which is 0.4. This number (0.4) is x.

Finally, we can calculate n. We know that the number of teenagers sampled is 100, so n = 100.

[tex]P(X) = 100Cx (0.4)^x (1-0.4)^(100-x).[/tex]

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The diameter of a softball is 3.8 inches. Estimate the volume within the softball. Round answers to the nearest
whole number and leave in the answer.
a. Volume: 73
b. Volume: 14
c. Volume: 9
d. Volume: 58

Answers

The volume of the ball is 9π (optionC)

What is volume of a sphere?

A sphere is symmetrical, round in shape. It is a three dimensional solid, that has all its surface points at equal distances from the center.

The ball takes the shape of the sphere. The volume of a sphere is therefore calculated as ;

V = 4/3 πr³

r = d/2 = 3.8/2 = 1.9

V = 4/3 × π × 1.9³

V = 27.44 π/3

V = 9π ( nearest whole number)

therefore the volume of the ball is 9π (nearest whole number)

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if adding predictor variables to a regression model never reduces r2, why not just include all the available predictor variables in the model? also, remark on the meaning of r2 adj.

Answers

Answer: If adding predictor variables to a regression model never reduces r2, you can include all the available predictor variables in the model, as long as they have a significant correlation with the dependent variable. However, having too many variables in a model may lead to overfitting, resulting in poor model generalization. In addition, some predictor variables may not be useful, while others may be collinear. As a result, it is usually recommended to use a stepwise regression method, which selects the best subset of predictor variables that improve the model's performance, without including irrelevant or collinear variables.r2 adj: R2 adj is the adjusted R2 value of a regression model. R2 adj is a statistical measure of how well the regression model fits the observed data. It is similar to the R2 value, but takes into account the number of predictor variables in the model, in addition to the sample size. The adjusted R2 value increases when a new predictor variable improves the model's fit, but decreases when the new predictor variable does not improve the model's fit or is collinear with other predictor variables.

The adjusted R2 value ranges from 0 to 1, with higher values indicating better model fit.

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The sum of two numbers is 25, and the larger is 3 less than three times the smaller. What is the number?

Answers

The smaller number is 5.5 and the larger number is 15.5.

Let's start by assigning variables to the two unknown numbers. Let x be the smaller number and y be the larger number.

From the problem statement, we know that:

x + y = 25 (the sum of the two numbers is 25)

y = 3x - 3 (the larger number is 3 less than three times the smaller)

We can use the second equation to solve for y in terms of x, by adding 3 to both sides:

y + 3 = 3x

Then, we can substitute this expression for y into the first equation:

x + (y + 3) = 25

Substituting y + 3 with 3x, we get:

x + 3x = 22

Combining like terms, we get:

4x = 22

Finally, we solve for x by dividing both sides by 4:

x = 5.5

Now that we know x, we can use the equation y = 3x - 3 to find y:

y = 3(5.5) - 3 = 15.5

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the width of a rectangle is increasing at a rate, while the length increases at a rate. at what rate is the area increasing when

Answers

When the width of a rectangle is increasing at a rate, and the length increases at a rate, the rate at which the area increases can be determined by multiplying the rates of the width and the length.

When the width and length of a rectangle increase at certain rates, the area of the rectangle also changes at a specific rate. The rate of change of the area is determined by multiplying the rates of change of the width and length.

This is because the area of a rectangle is calculated by multiplying its width and length, and therefore any change in either dimension affects the overall area. The product of the rates of change of the width and length gives the overall rate of change of the area.

Therefore, the rate at which the area is increasing when the width of a rectangle is increasing at a rate, while the length increases at a rate can be calculated using the above formula.

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Use the equation 2,401 = 76 – 2x.
What power of 7 is 2,401?

Answers

Hi!

The power of 7 to make 2,401 is
4.

Written out ↓ ↓ ↓

7 x 7 = 49 (Thats the first 2 sevens)
49 x 7 = 343 (Three)
343 x 7 =  2,401 (Four)

= 7^4

Hope this helps!
~~PicklePoppers~~

the support for a basketball hoop forms a right triangle as shown. what is the length, x, of the horizontal portion of the support?

Answers

According to Pythagorean Theorem, The length of the horizontal portion of the support, x, is 3.87 feet.

The length of the horizontal portion of the support, x, can be determined by using the Pythagorean Theorem. The Pythagorean Theorem states that a2 + b2 = c2, where a and b are the sides of a right triangle and c is the hypotenuse.

In this case, a = 7 feet, b = x, and c = 8 feet. We can use the Pythagorean Theorem to solve for x: 72 + x2 = 82, or 49 + x2 = 64. This can be solved for x to get x2 = 15 and x = √15 ≈ 3.87 feet.

Therefore, the length of the horizontal portion of the support, x, is 3.87 feet.

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PLEASE PLEASE SOLVE NEED CORRECT ANSWER THANK YOU GUYS SEE the FILE PLS Thank u so much

Answers

The expected profit of Ayo is  $ 79.95.

What is Probability:

The probability of an event happening can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Here in this problem, we use probability to calculate the total profit. Calculate the probability of winning 150 people so that we can calculate the total winning amount of 150 persons.

Now calculate the total amount gained by Ayo by costing each turn. Now subtract both values and will get the expected profit.

Here we have

Ayo runs fairground games

In each turn, a player rolls a fair dice numbered from 1 - 6 and a spin numbered 1 - 5

Every player can win £ 8 or £ 3

In total there are 150 to play

Here probability of winning £ 8 i.e rolling 2 and rolling 5  

= [ 1/6 × 1/5 ] = 1/30  

Probability of winning £ 3 i.e getting at least one 3 in roll or spin

Here we have taken 3 cases that are getting 3 in a roll but not in spin, getting 3 in a spin but not in roll, and getting 3 in both roll spin

= [ 1/6 × 4/5 ] + [5/6 × 1/5 ] + [ 1/6 × 1/5 ]  

= 4/30 + 5/30 + 1/30 = 10/30 = 1/3

Hence, the expected amount in 1 a single game

= 8 × 1/30 + 3 1/3 = 8/30 + 1 = 0.267 + 1 = 1.267

There are 150 player  

Total amount won by 150 = 150 (1.267) = $ 190.05  

Here It cost a player 1.80 for every turn  

Ayo will get for 150 players = 1.80 × 150 = $ 270

If 150 players won $ 190.05,

then the profit won by Ayo = 270 - 190.05 = 79.95

Therefore,

The expected profit of Ayo is  $ 79.95.

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a sock drawer contains 18 black socks and 12 red socks. if you randomly choose two socks at once, what is the probability you get a matching pair?

Answers

There are 12 red socks and 18 black socks in a sock drawer. If you randomly choose two socks at once, the probability you get a matching pair is 50%.

The probability of getting a matching pair of socks can be calculated as follows:

First, we can calculate the total number of ways to choose 2 socks out of 30:

C(30, 2) = 30! / (2! * (30-2)!) = 435

Now, we need to calculate the number of ways to choose 2 socks such that they are both black or both red:

Number of ways to choose 2 black socks: C(18, 2) = 153

Number of ways to choose 2 red socks: C(12, 2) = 66

Therefore, the total number of ways to choose a matching pair of socks is 153 + 66 = 219.

Finally, we can calculate the probability of getting a matching pair of socks by dividing the number of ways to choose a matching pair by the total number of ways to choose 2 socks:

P(matching pair) = 219 / 435 ≈ 0.5034

Therefore, the probability of getting a matching pair of socks is approximately 0.5034 or 50.34%.

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Hi! im new to this i i coudnt go to school today becuase im sick and im trying to do mah and i cant figure this out anyone can help,

surface area of the prism.
5yd 4yd 2yd

Answers

The surface area is

[tex]2(5\times4)+2(5\times2)+2(4\times2)=[/tex]

[tex]40+20+16=[/tex]

76 square yards

Answer:

The surface area of the prism.

5 yd, 4 yd, 2 yd

76 square yards

Step-by-step explanation:

You're welcome.

Bo and Erica are yoga instructors. Between the two of them, they teach 37 yoga classes each week. If Erica teaches 14 fewer than
twice as many as Bo, how many classes does each instructor teach per week?
OA. 19 Bo; 18 Erica
OB. 14 Bo; 23 Erica
OC. 21 Bo; 16 Erica
OD. 17 Bo; 20 Erica

Answers

Answer:

The correct answer is OD.

Step-by-step explanation:

To find how many classes each instructor teaches per week, you need to set up and solve a system of equations based on the given information. In other words,

Let x be the number of classes Bo teaches per week and y be the number of classes Erica teaches per week.

The first equation is based on the total number of classes they teach

x + y = 37

The second equation is based on the relationship between their numbers of classes

y = 2x - 14

To solve this system, you can use substitution or elimination methods. For example, using substitution, you can plug in y = 2x - 14 into the first equation and get

x + (2x - 14) = 37

Simplify and solve for x

3x - 14 = 37

So, Bo teaches 17 classes per week and Erica teaches 20 classes per week.

Answer:

A. 19 Bo; 18 Erica

Step-by-step explanation:

im good like that hehe

suppose 6.0 mol pf h2 reacted with suffient nitrogen (n2). how many moles of ammonia would be produced

Answers

Thus, 4.0 moles of NH3 would be produced when 6.0 moles of H2 react with sufficient N2.

Suppose 6.0 mol of H2 reacts with sufficient N2 to produce ammonia, NH3. We can determine the number of moles of NH3 produced using stoichiometry.The balanced chemical equation for the reaction is:[tex]3H2(g) + N2(g) → 2NH3(g)[/tex]

From the equation, we can see that 3 moles of H2 react with 1 mole of N2 to produce 2 moles of NH3.

Therefore, using the mole ratio from the balanced equation, we can calculate the number of moles of NH3 that would be produced when 6.0 mol of H2 reacts with [tex]N2:6.0 mol H2 × (2 mol NH3/3 mol H2) = 4.0 mol NH3[/tex]

for such more questions stoichiometry

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The solution to the equation -2(x + 11) = -8 is x = _

Answers

From the given information provided, the value of x for given solution of equation is -7.

An equation is a statement that shows the equality of two expressions. A solution of an equation is a value or values of the variable(s) that make the equation true.

Let's solve the equation step by step:

-2(x + 11) = -8

First, we can distribute the -2 to the term inside the parentheses:

-2x - 22 = -8

Next, we can add 22 to both sides of the equation to isolate the variable term:

-2x = 14

We can divide both sides of equation by -2 to solve for x:

x = -7

The solution to the equation -2(x + 11) = -8 is x = -7.

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Aria puts 0. 75 liters of apple juice and 0. 5 liter of cranberry juice in a pitcher that holds 2 liters of liquid. She fills the rest of the pitcher with orange juice. What fraction of the mixture is orange juice?

Answers

Answer:

Step-by-step explanation:

Your equation is 0.75L +  0.5L + x = 2L
x = Orange juice

0.75L + 0.5L = 1.25L
2L - 1.25L = 0.75L

[tex]\frac{0.75L}{2L}[/tex] is your fraction
[tex]\frac{75}{200}[/tex]  simplified is [tex]\frac{3}{8}[/tex]
I hope this helped,

the phone calls to a computer software help desk occur at a rate of 3 per minute in the afternoon. compute the probability that the number of calls between 2:00 pm and 2:10 pm is: (a) exactly 25. (b) more than 25.

Answers

The probability that the number of phone calls between 2:00 pm and 2:10 pm is exactly 25 is 1/110,592,893.

To calculate this probability, use the Poisson distribution formula: P(x) = (e^-λ * λ^x) / x!, where λ = 3 x 10 = 30. Therefore, P(25) = (e^-30 * 30^25) / 25! = 1/110,592,893.

The probability that the number of phone calls between 2:00 pm and 2:10 pm is more than 25 is the sum of probabilities of all calls more than 25. That is, the probability is 1 - (e^-30 * (30^0 + 30^1 + 30^2 + ... + 30^25)) / (0! + 1! + 2! + ... + 25!).

By using the same Poisson distribution formula, the probability is 1 - 0.99988822 = 0.00011178.

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Isla will deposit $800 in an account that earns 5% simple interest every year. Her sister Aven will deposit $750 in an account that earns 7% interest compounded annually. The deposits will be made on the same day, and no additional money will be deposited or withdrawn from the accounts. Which statement is true about the balances of the girls’ accounts at the end of 48 months?

Answers

To compare the balances of the two accounts, we need to calculate the future value of each account after 48 months.

For Isla's account with simple interest, the interest earned every year is:

$800 x 0.05 = $40

After 48 months (4 years), the interest earned is:

$40 x 4 = $160

So the balance of Isla's account after 48 months is:

$800 + $160 = $960

For Aven's account with compound interest, we can use the formula:

A = P(1 + r/n)^(nt)

where A is the future value, P is the principal (initial deposit), r is the annual interest rate (as a decimal), n is the number of times the interest is compounded per year, and t is the time in years.

For Aven's account, P = $750, r = 0.07, n = 1 (compounded annually), and t = 4. Plugging these values into the formula, we get:

A = $750(1 + 0.07/1)^(1 x 4) = $1039.14

Therefore, the statement "Aven's account will have a higher balance than Isla's account at the end of 48 months" is true.

How do I work this out

Answers

Answer:

(5x+40)+x+2(2x+20)=360

5x+40+x+4x+40=360

10x+80=360

10x=360-80

10x=280

x=28°

substitute x=28° into (5x+40)

=140+40= 180

therefore line Ac is the diameter of a he circle because a diameter divides a circle into 2 equal part and the angle on the line is 180° showing that the circle is on a straight line

A race is 3/10 kilometers long. Alan ran 6 of these races. How far did he run altogether​

Answers

Answer:

1.8 kilometers

hope this helped

Answer:

1 8/10 kilometers

Step-by-step explanation:

u keep on adding 3 on to 3/10th 6 times then u get a improper fraction and turn that into a fraction and u get ur answer

hope it helps

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