simplify : 7(c-2)²-(3c+1)(c-4)​

The approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches is 0.6

To find the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches, we will first calculate the surface area (SA) and volume (V) of the ball, and then divide the surface area by the volume.

Step 1: Calculate the surface area (SA) using the formula for the surface area of a sphere:

[tex]SA = 4 πr^2[/tex]
[tex]SA = 4 π5^2[/tex]
[tex]SA = 4 π(25)[/tex]
[tex]SA=100π[/tex]

Step 2: Calculate the volume (V) using the formula for the volume of a sphere:

[tex]V = \frac{4}{3} π (r)^{3}[/tex]
[tex]V = \frac{4}{3} π (5)^{3}[/tex]
[tex]V = \frac{4}{3} π (125)[/tex]
V = 166.67 π cubic inches

Step 3: Calculate the surface-area-to-volume ratio (SA/V)
[tex]\frac{SA}{V} = \frac{100}{166.67}[/tex]
[tex]\frac{SA}{V}=\frac{100}{166.67}[/tex]

[tex]\frac{SA}{V}= 0.6[/tex]

So the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches is 0.6. The best answer from the choices provided is A.

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The lawyer's expected gain can be calculated by multiplying the probability of winning by the potential gain if she wins, and subtracting the cost of preparing the case. The lawyer's expected gain in this discrimination suit is $7,000.

Expected gain = (probability of winning * potential gain) - cost of preparing the case
Expected gain = (.3 * $40,000) - $5,000
Expected gain = $12,000 - $5,000
Expected gain = $7,000
To calculate the expected gain for the lawyer in this discrimination suit, we need to consider the probabilities of winning and losing, as well as the associated monetary outcomes.
The probability of winning is 0.3, and if she wins, she makes $40,000. The probability of losing is 1 - 0.3 = 0.7, and she gets nothing in this case. Regardless of the outcome, she has to spend $5,000 preparing the case.
To calculate the expected gain, we multiply the probability of each outcome by its respective monetary value and then sum them up:
Expected gain = (0.3 * $40,000) - $5,000
Expected gain = ($12,000) - $5,000
Expected gain = $7,000
So, the lawyer's expected gain in this discrimination suit is $7,000.

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Answer:

The answer would be #3

Step-by-step explanation:

The side opposite angle E will be the same size as the side opposite

angle F.

We have,

Since angles E and F have the same measure, we know that the sides opposite these angles will have the same length.

This is because of the following theorem:

If two angles in a triangle have the same measure, then the sides opposite those angles are congruent (i.e., have the same length).

Therefore,

The side opposite angle E will be the same size as the side opposite

angle F.

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The correct answer is I. The probability of a Type I error goes up

If the significance level, or begin alpha, is changed from 0.01 to 0.05, the probability of a Type I error increases. This is because the researcher is now more willing to reject the null hypothesis and declare a significant effect even when there isn't one.

However, changing the significance level does not necessarily affect the p-value. The p-value is a measure of the strength of evidence against the null hypothesis, and is calculated based on the data and the chosen significance level. It is possible for the p-value to go up or down depending on the data, even if the significance level remains constant.

Therefore, the correct option is  I. The probability of a Type I error goes up.

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The probability of making a Type I error is equal to 1 - 0.99 = 0.01, which is the same as the significance level.

To answer this question, we need to understand the concepts of statistical power and Type I error. Statistical power refers to the probability of correctly rejecting the null hypothesis when it is false. In other words, it is the ability of a statistical test to detect a true effect.

On the other hand, a Type I error occurs when we reject the null hypothesis even though it is true. This is also known as a false positive.

The investigator has indicated that the power of his test is 0.87 at a significance level of 1%. This means that if there is a true effect in the population, the test has an 87% chance of correctly detecting it. However, we are interested in the probability of making a Type I error, which is the probability of rejecting the null hypothesis when it is true.

To calculate the probability of making a Type I error, we need to use the complement of the significance level, which is 1 - 0.01 = 0.99. This represents the probability of not rejecting the null hypothesis when it is true. Therefore, the probability of making a Type I error is equal to 1 - 0.99 = 0.01, which is the same as the significance level.

In this case, the investigator has used a significance level of 1%, which means that there is a 1% chance of making a Type I error. This is a relatively low probability, which indicates that the investigator is being cautious in rejecting the null hypothesis.

However, it is important to note that the probability of making a Type I error depends on the significance level, the sample size, and the effect size. Therefore, it is important to consider these factors when interpreting the results of a statistical test.

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A minimum sample size of 62 is needed to be 95% confident that the sample mean is within 2 words of the true population mean, assuming a normal distribution of the number of words per sentence in the book and a population standard deviation of 4 words.

To determine the minimum sample size needed to be 95% confident that the sample mean is within 2 words of the true population mean, we can use the formula for the margin of error:

Margin of error = z * (standard deviation / sqrt(n))

Where z is the z-score for the desired confidence level, standard deviation is the population standard deviation (given as 4 words), and n is the sample size.

We want the margin of error to be no more than 2 words, so we can set up the inequality:

z * (4 / √n) ≤ 2

To find the value of z for 95% confidence level, we can use a z-table or calculator and find that z = 1.96.

Substituting this value into the inequality and solving for n, we get:

1.96 * (4 / √n) ≤ 2

Simplifying and solving for n, we get:

n >= 61.05

Since we can't have a fractional sample size, we can round up to the nearest whole number and conclude that a minimum sample size of 62 is needed to be 95% confident that the sample mean is within 2 words of the true population mean.

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Complete the tree diagram as shown in the image attached.

The probability that he prepares chapattis and tea is 0.3

Since He prepares either samosas or chapattis for the food and the probability that he prepares samosas is 0.4.

Thus, the probability that he prepares chapattis is: 1 - 0.4 = 0.6

Also, He prepares either tea or coffee for the drink and He is equally likely to prepare tea or coffee. Thus,

The probability that the prepare tea  = 0.5

The probability that the prepare coffee = 0.5

Therefore, we can complete the tree diagram as shown in the image attached.

The probability that he prepares chapattis and tea is:

= P(chapattis) * P(tea)

= 0.6 * 0.5

= 0.3

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There are 720 unique ways to award the gold, silver, and bronze medals to the top three participants in this contest.

The number of unique ways to award the gold, silver, and bronze medals can be determined by using the concept of permutations. A permutation is an arrangement of objects in a specific order. In this case, we need to find the number of permutations of 10 participants for the top three positions.

The number of permutations of 10 participants for the gold medal can be calculated as 10P1, which is equal to 10. This means that there are 10 different participants who can receive the gold medal.

Once the gold medalist is determined, there are only 9 participants remaining for the silver medal. The number of permutations of 9 participants for the silver medal can be calculated as 9P1, which is equal to 9. This means that there are 9 different participants who can receive the silver medal after the gold medalist is determined.

Finally, once the gold and silver medalists are determined, there are only 8 participants remaining for the bronze medal. The number of permutations of 8 participants for the bronze medal can be calculated as 8P1, which is equal to 8. This means that there are 8 different participants who can receive the bronze medal after the gold and silver medalists are determined.

To determine the total number of unique ways to award the medals, we need to multiply the number of permutations of each medal. Therefore, the total number of unique ways to award the medals is equal to:

10P1 x 9P1 x 8P1 = 10 x 9 x 8 = 720

Therefore, there are 720 unique ways to award the gold, silver, and bronze medals to the 10 participants in this contest.

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The supplement has a statistically significant effect on running speed at a significance level of 0.05 (since the p-value is less than 0.05).

To find the two-sided p-value for the corresponding paired t-test, we need to use the information given in the paper. The paper reported that running speed improved by an average of 2 seconds/mile with a 90% confidence interval for the mean of 0.1 to 3.9 seconds/mile. To calculate the two-sided p-value, we need to assume that the null hypothesis is that the supplement has no effect on running speed. Therefore, the alternative hypothesis is that the supplement does have an effect on running speed. Using a t-test, we can calculate the t-statistic as (2 - 0) / (0.9 / sqrt(10)) = 7.95 (where 0 is the hypothesized mean improvement in running speed and 0.9 is the standard error of the mean based on the confidence interval given). Using a t-distribution table with 9 degrees of freedom (n-1), we can find that the probability of getting a t-statistic greater than or equal to 7.95 (or less than or equal to -7.95) is less than 0.001.
Since this is a two-sided test, we need to double this probability to get the two-sided p-value, which is less than 0.002. Therefore, we can conclude that the supplement has a statistically significant effect on running speed at a significance level of 0.05 (since the p-value is less than 0.05).

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If 1(1/4) pound of turkey is sold for $9, then the unit-price of the turkey is $7.20 per pound.

The "Unit-Price" is defined as the price of a single unit or item of a product, typically expressed in terms of a standard unit of measurement, such as price per pound, price per liter, or price per piece.

To find the unit price of turkey in the package, we need to divide the total cost of the package by the weight of the turkey in the package.

First, we need to convert 1(1/4) pounds to a decimal, which is 1.25 pounds.

Then, we can find the unit price by dividing the total-cost of $9 by the weight of the turkey in the package:

⇒ Unit price = (Total cost)/(Weight of turkey in package),

⇒ Unit price = $9/1.25 pounds,

⇒ Unit price = $7.20 per pound,

Therefore, the unit price of turkey in the package is $7.20 per pound.

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The given question is incomplete, the complete question is

A store sells a 1(1/4) pound package of turkey for $9. ​What is the unit price of the turkey in the package?

A company produces two types of smartphones: Model X and Model Y. The profit from each Model X sold is $150, while the profit from each Model Y sold is $200. Last month,the company sold a total of 500 smartphones and made a total profit of $85,000.

Here's a word problem that uses a system of linear equations:

Sarah and John went to a coffee shop and ordered lattes and scones. Sarah ordered 2 lattes and 3 scones and paid $10. John ordered 3 lattes and 2 scones and paid $11.50. What is the cost of one latte and one scone?

Let x be the cost of one latte and y be the cost of one scone. We can set up a system of linear equations to solve for x and y:

2x + 3y = 10

3x + 2y = 11.5

Now, your partner can solve this system of equations using any method they prefer, such as substitution or elimination.

To solve the system of equations:

2x + 3y = 10

3x + 2y = 11.5

We can use elimination method, by multiplying the first equation by 2 and the second equation by -3 to eliminate y:

4x + 6y = 20

-9x - 6y = -34.5

Adding the two equations, we get:

-5x = -14.5

Dividing both sides by -5, we get:

x = 2.9

Substituting x = 2.9 into the first equation, we can solve for y:

2(2.9) + 3y = 10

5.8 + 3y = 10

3y = 4.2

y = 1.4

Therefore, one latte costs $2.9 and one scone costs $1.4.

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We can see that g(x) is less than or equal to h(x) for all x greater than or equal to 8, because sin^2(x) is always less than or equal to 1. Therefore, g(x) is also divergent, since h(x) is divergent.

To determine whether the integral g(x)=∫[infinity]8sin2(x) 4x−−√ 2dx diverges, we can compare it to the integral f(x)=∫ [infinity]83x−−√ 2dx. We know that f(x) is a divergent integral because the power of x in the denominator is greater than 1.

To compare g(x) to f(x), we need to find a function h(x) that is greater than or equal to g(x) and less than or equal to f(x) for all x greater than or equal to 8. One function that satisfies this condition is h(x) = √x.

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The mean of the distribution of sample mean differences (night GPA - day GPA) is -0.11.

To find the mean of the distribution of sample mean differences (night GPA - day GPA), we can use the formula:

mean of sample mean differences = mean(night GPA) - mean(day GPA)

where the mean of night GPA and mean of day GPA are calculated from the respective samples.

The mean of the night student GPA is given as 2.28, and the mean of the day student GPA is given as 2.39. Therefore:

mean of sample mean differences = 2.28 - 2.39

= -0.11

So the mean of the distribution of sample mean differences is -0.11.

Note that this calculation assumes that the samples are independent and are drawn from normal distributions. It also assumes that the sample sizes are large enough for the central limit theorem to apply.

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Any  solution to this equation is in the span of W. Conversely, any linear combination of v1 and v2 will satisfy this equation, so the solution set of this equation is exactly the span of W.

To find a set of homogeneous equations whose solution set is W, we need to find a set of equations that are satisfied by all linear combinations of the vectors in the span of W.

Let's call the vectors in the span of W, v1 and v2:

v1 = [\begin{array}{ccc}2\\1\\-3\end{array}\right]
v2 = [\begin{array}{ccc}1\\-1\\2\end{array}\right]

We want to find a set of homogeneous equations that are satisfied by all linear combinations of v1 and v2. We can do this by setting up an augmented matrix with v1 and v2 as its columns, and then row reducing the matrix to find a set of homogeneous equations.

[ v1 | v2 ] =
[\begin{array}{ccc|ccc}2 & 1 & 0 & 1 & 0 & 0\\1 & -1 & 0 & 0 & 1 & 0\\-3 & 2 & 0 & 0 & 0 & 1\end{array}\right]

Using elementary row operations, we can row reduce this matrix to reduced row echelon form:

[\begin{array}{ccc|ccc}1 & 0 & 0 & -5 & 3 & 0\\0 & 1 & 0 & -1 & 2 & 0\\0 & 0 & 0 & 0 & 0 & 1\end{array}\right]

The last row of the row reduced matrix corresponds to the equation 0x1 + 0x2 + 0x3 = 1, which is always false and has no solutions. Therefore, we can ignore this row and write down the remaining equations in terms of x1, x2, and x3:

x1 - 5x3 + 3x3 = 0
x2 - x3 + 2x3 = 0

Simplifying these equations, we get:

x1 - 2x2 + 4x3 = 0

So the set of homogeneous equations that correspond to W is:

x1 - 2x2 + 4x3 = 0

Therefore, any solution to this equation is in the span of W. Conversely, any linear combination of v1 and v2 will satisfy this equation, so the solution set of this equation is exactly the span of W.

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The order in which the matrices should be arranged is: I, IV, III, II.

To solve the system of equations, Tia used row operations to transform the augmented matrix, which consists of the coefficients of the variables and the constants, into an equivalent matrix in row echelon form. The matrices she noted correspond to the augmented matrix at different steps during the row operations.

To determine the order in which the matrices should be arranged when solving the system from start to finish, we need to follow the sequence of row operations performed by Tia. We can determine this sequence by examining the changes in the matrices.

Starting matrix:

-1 -1 2 -7

2 1 1 2

-3 2 3 -7

I: Add Row 1 to Row 2:

1 0 2 -5

2 1 1 2

-3 2 3 -7

II: Add -2 times Row 1 to Row 3:

1 0 2 -5

2 1 1 2

0 2 -1 3

III: Add -2 times Row 2 to Row 3:

1 0 2 -5

2 1 1 2

0 0 -3 -4

IV: Multiply Row 3 by -1/3:

1 0 2 -5

2 1 1 2

0 0 1 4/3

V: Add -2 times Row 3 to Row 2:

1 0 2 -5

2 1 0 -2/3

0 0 1 4/3

VI: Add -2 times Row 2 to Row 1:

1 0 0 -1/3

0 1 0 -2/3

0 0 1 4/3

The final matrix corresponds to the row echelon form of the augmented matrix. The solution of the system can be obtained by back-substitution, starting from the last equation and working upwards.

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So the probability of rolling pairs of the same number is 6/36, which simplifies to 1/6 or approximately 0.1667.

When Lydia tosses two six-sided number cubes, the sample space consists of all possible outcomes for each roll. There are 6 sides on each cube, resulting in 6 x 6 = 36 possible outcomes.

For pairs of the same number, there are 6 possible outcomes: (1,1), (2,2), (3,3), (4,4), (5,5), and (6,6).

To find the probability of Lydia rolling pairs of the same number, divide the number of favorable outcomes (pairs of the same number) by the total number of outcomes in the sample space:

Probability = (number of favorable outcomes) / (total number of outcomes) = 6 / 36 = 1/6 or approximately 16.67% or 0.1667.

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Here's a step-by-step explanation:

1. You are given the velocity function: v(t) = 6 + e^(-2t)
2. To find the position function s(t), we need to integrate the velocity function with respect to t.
3. Integrate v(t) with respect to t: ∫(6 + e^(-2t)) dt
4. Apply the rules of integration: ∫6 dt + ∫e^(-2t) dt
5. Integrate each term separately: 6t - (1/2)e^(-2t) + C
6. The position function s(t) is: s(t) = 6t - (1/2)e^(-2t) + C

In the position function s(t) = 6t - (1/2)e^(-2t) + C, C is the integration constant, which depends on the initial position. If you are given an initial condition, you can determine the value of C. Otherwise, the position function will remain in this general form.

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The interval of convergence is (-∞,∞) and the radius of convergence is ∞.The power series for f(x) can be found using the formula:

f(x) = Σ(n=0 to ∞) [fⁿ(c)/n!]*(x-c)ⁿ

where fⁿ(c) represents the nth derivative of f evaluated at x=c.

In this case, we have:

f(x) = 5/2x-3

f'(x) = -5/2(x-3)⁻²

f''(x) = 5(x-3)⁻³

f'''(x) = -15(x-3)⁻⁴

and so on.

Evaluating these derivatives at c=-3, we get:

f(-3) = 5/2(-3)-3 = -15/2

f'(c) = -5/2(-3-3)⁻² = -5/36

f''(c) = 5(-3-3)⁻³ = 5/216

f'''(c) = -15(-3-3)⁻⁴ = -5/1296

and so on.

Substituting these values into the power series formula, we get:

f(x) = Σ(n=0 to ∞) [(-1)ⁿ*5/(2*3ⁿ)*(x+3)ⁿ]

This can be simplified to:

f(x) = Σ(n=0 to ∞) [(-1)ⁿ*5/(2*3ⁿ)*xⁿ] + Σ(n=0 to ∞) [(-1)ⁿ*5/(2*3ⁿ)*(-3)ⁿ]

The first sum represents the power series centered at 0, while the second sum is a constant term (-15/2) that is added to shift the series to be centered at -3.

To determine the interval and radius of convergence, we can use the ratio test:

|a(n+1)/a(n)| = |(-1)^(n+1)*5/(2*3^(n+1))/( (-1)^n*5/(2*3^n))|

= 3/2

Since this ratio is constant and less than 1, the power series converges for all values of x.

Therefore, the interval of convergence is (-∞,∞) and the radius of convergence is ∞.

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Answer:

4006

Step-by-step explanation:

Answer:

The median is the best measure of center because there are outliers present.

The box will be more shallow than in the previous case, but it will still have the maximum possible volume for the given amount of material.

To find the dimensions of the box of greatest volume that can be constructed for $48, we need to use optimization. Let's start by assigning variables to the dimensions of the box. Let x be the length of one side of the square base, and let y be the height of the box.

The surface area of the box (including the base) is given by:

SA = x^2 + 4xy

The cost of the box is given by:

C = 3(x^2 + 4xy) + 4x^2

We want to maximize the volume of the box, which is given by:

V = x^2y

Now we have three equations:

SA = x^2 + 4xy
C = 3(x^2 + 4xy) + 4x^2
V = x^2y

We can use the cost equation to eliminate y:

C = 3(x^2 + 4xy) + 4x^2
48 = 3(x^2 + 4xy) + 4x^2
48 = 3x^2 + 12xy + 4x^2
48 = 7x^2 + 12xy
y = (48 - 7x^2) / (12x)

Now we can substitute this expression for y into the volume equation:

V = x^2y
V = x^2(48 - 7x^2) / (12x)
V = (4x^2 - 7x^4) / 12

We want to maximize V, so we take the derivative and set it equal to zero:

dV/dx = (8x - 28x^3) / 12
0 = (8x - 28x^3) / 12
0 = 8x - 28x^3
28x^3 = 8x
x = sqrt(2/7)

Now we can use this value of x to find y:

y = (48 - 7x^2) / (12x)
y = (48 - 7(2/7)) / (12(sqrt(2/7)))
y = (336/7 - 2) / (12(sqrt(2/7)))
y = 2(sqrt(2/7))

Therefore, the dimensions of the box of greatest volume that can be constructed for $48 are:

x = sqrt(2/7) meters
y = 2(sqrt(2/7)) meters

And the maximum volume is:

V = (4x^2 - 7x^4) / 12
V = (4(2/7) - 7(2/7)^2) / 12
V = 8/21 cubic meters

Note that we have assumed that the carpenter can use any amount of material up to $48. If the carpenter is required to use exactly $48 of material, then the answer will be slightly different. In that case, the dimensions of the box will be:

x = 2(sqrt(2/7)) meters
y = (48 - 7x^2) / (12x)
y = 2(sqrt(2/7)) meters

And the maximum volume will be:

V = x^2y
V = 2/7 cubic meters

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Alice has done 8 times more work than Bill in climbing the mountain, even though she reaches the top in 1/3 the time it takes Bill.

The work that Alice did in climbing the mountain is equal to the work that Bill did, even though Alice took the longer path. This is because work is defined as the product of force and displacement, and both Alice and Bill exerted the same amount of force against gravity to lift their bodies to the same height. The longer path taken by Alice resulted in a smaller force exerted over a longer distance, while the steep path taken by Bill resulted in a larger force exerted over a shorter distance. However, Alice completed the climb in 1/3 the time it took Bill, which means that her power output was 3 times greater than Bill's. Power is defined as the rate of doing work, so even though Alice did the same amount of work as Bill, she did it in a shorter amount of time, which means that her power output was greater.

Alice and Bill both have the same mass and are climbing to the top of a mountain. Bill takes the steep path straight up, while Alice takes a longer, winding path that is 8 times the length of the steep path. Despite this, Alice reaches the top in 1/3 of the time it takes Bill.

To compare the work done by Alice and Bill, we need to understand that work is equal to the force applied multiplied by the distance traveled, or W = F × d. The force in this case is equal to their mass multiplied by the acceleration due to gravity (F = m × g).

Since both Alice and Bill have the same mass and are climbing the same height, the vertical distance they travel is the same. Therefore, the force applied by both Alice and Bill is also the same.

However, the total distance traveled is different. Alice takes a path that is 8 times longer than Bill's path. In terms of work done, this means that Alice has done 8 times more work than Bill, as W = F × d, and the distance she traveled is 8 times longer.

In summary, Alice has done 8 times more work than Bill in climbing the mountain, even though she reaches the top in 1/3 the time it takes Bill.

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To calculate the probability of obtaining 2 defective watches in a sample of 3 from a lot of 30 watches with a 20% defective rate, we can use the binomial probability formula.

The binomial probability formula is given by:

P(X = k) = (n C k) * p^k * (1 - p)^(n - k)

Where:

P(X = k) is the probability of getting exactly k successes (in this case, 2 defectives),

n is the sample size (3),

k is the number of successes (2),

p is the probability of success (defective rate, 20% or 0.2), and

(1 - p) is the probability of failure (1 - 0.2 = 0.8).

Using these values, we can calculate the probability as follows:

P(X = 2) = (3 C 2) * (0.2)^2 * (0.8)^(3 - 2)

(3 C 2) represents the number of ways to choose 2 out of 3 watches, which is calculated as 3! / (2! * (3 - 2)!), which simplifies to 3.

P(X = 2) = 3 * (0.2)^2 * (0.8)^(3 - 2)

      = 3 * 0.04 * 0.8

      = 0.096

Therefore, the probability that a sample of 3 watches from the lot of 30 watches contains 2 defectives is 0.096 or 9.6%.

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The probability that a company ships by truck or rail is 89%.

To calculate the probability that a company ships by truck or rail, we need to add the probability of shipping by truck to the probability of shipping by rail, and then subtract the probability of shipping by both truck and rail (to avoid double counting):

P(shipping by truck or rail) = P(shipping by truck) + P(shipping by rail) - P(shipping by both truck and rail)

We are given that:

P(shipping by truck) = 82%

P(shipping by rail) = 47%

P(shipping by both truck and rail) = 40%

Plugging in these values, we get:

P(shipping by truck or rail) = 82% + 47% - 40%

= 89%

Therefore, the probability that a company ships by truck or rail is 89%.

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Upon calculating the sum up to the appropriate term, we find that the sum is approximately 0.0713. So, the correct answer is a. 0.0713

It seems like there is a typo in the series notation. I assume the series you are referring to is ∑(2(-1)^n-1)/(12n^2 + 1) from n=1 to infinity. In this case, we can determine the sum using a well-known function and round the answer to four decimal places. Since the given series is an alternating series, we can use the Alternating Series Estimation Theorem to determine an approximation for the sum. The theorem states that if the absolute difference between consecutive terms is decreasing and the limit of the terms as n approaches infinity is zero, the approximation for the sum is accurate up to the first term that is less than or equal to the desired error bound (in this case, 0.0001). For this series, we can see that the absolute difference between consecutive terms decreases as n increases and the limit as n approaches infinity is zero. So, we can find the smallest value of n for which the term is less than or equal to 0.0001 and calculate the sum up to that term.

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The percentage of utility companies that earned revenue less than 3939 million or more than 6161 million dollars is 0.1484 or 14.84% (rounded to the nearest hundredth).

We can use the standard normal distribution to find the percentage of utility companies that earned revenue less than 3939 million or more than 6161 million dollars.

First, we need to standardize the values using the formula:

z = (x - μ) / σ

where x is the revenue value, μ is the mean revenue, and σ is the standard deviation.

For x = 3939 million:

z = (3939 - 5050) / 77 = -1.45

For x = 6161 million:

z = (6161 - 5050) / 77 = 1.44

Using a standard normal distribution table or calculator, we can find the probability of a value being less than -1.45 or greater than 1.44.

P(z < -1.45) = 0.0735

P(z > 1.44) = 0.0749

The percentage of utility companies that earned revenue less than 3939 million or more than 6161 million dollars is:

0.0735 + 0.0749 = 0.1484 or 14.84% (rounded to the nearest hundredth).

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Brandon's performance in the long jump competition was solid. While his third jump wasn't quite as long as his first two jumps, he still managed to jump almost 60 feet in total, which is no small feat.

To find the total distance for all three jumps, we need to add up the distance for each of Brandon's jumps. On his first jump, Brandon jumped 19.8 feet. On his second jump, he jumped 19.98 feet. And on his third jump, he jumped 18.77 feet.

To get the total distance, we simply add these three distances together:

19.8 + 19.98 + 18.77 = 58.55 feet

So the total distance for all three of Brandon's jumps is 58.55 feet.

It's important to note that in long jump competitions, the distance is measured from the takeoff line to the point where the athlete's body first breaks the plane of the landing area. This means that the actual distance that Brandon jumped may have been slightly longer or shorter than the distances recorded for each jump.

Overall, Brandon's performance in the long jump competition was solid. While his third jump wasn't quite as long as his first two jumps, he still managed to jump almost 60 feet in total, which is no small feat. Depending on the level of competition he was participating in, this distance could have been enough to earn him a medal or place him high in the rankings.

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Answer:

Whatever she wants.

I'd say you probably want a Wagoneer, as your username is jeepwagoneer