Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical valuetα/2,(b) find the critical valuezα/2,or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is95%,σ=3473thousand dollars, and the histogram of56player salaries (in thousands of dollars) of football players on a team is as shown. 040008000120001600020000010203040Salary (thousands of dollars)Frequency Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A.tα/2=(Round to two decimal places as needed.) B.zα/2=(Round to two decimal places as needed.) C.Neither the normal distribution nor the t distribution applies. Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2, (b) find the critical value z12, or (c) state that neither the normaldistribution nor the t distribution applies.30-The confidence level is 95%, o= 3473 thousand dollars, and the histogram of 56 player salaries (in thousands of dollars) of football players on a team is as shown.20-10-0-4000 8000 12000 1600 200Salary (thousands of dollars)Select the correct choice below and, if necessary, fill in the answer box to complete your choice.O A. tu/2 =(Round to two decimal places as needed.)O B. Z/2 =(Round to two decimal places as needed.)O C. Neither the normal distribution nor the t distribution applies.Kouanbej

Solution: From the given information, the confidence level is 0.95 and σ=3473 thousand dollars.

Answered: Assume that we want to construct a…

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Author:Amos Gilat

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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value

tα/2,

(b) find the critical value

zα/2,

or (c) state that neither the normal distribution nor the t distribution applies.

The confidence level is

95%,

σ=3473

thousand dollars, and the histogram of

player salaries (in thousands of dollars) of football players on a team is as shown.

040008000120001600020000010203040Salary (thousands of dollars)Frequency

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

tα/2=

(Round to two decimal places as needed.)

zα/2=

(Round to two decimal places as needed.)

Neither the normal distribution nor the t distribution applies.

Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2, (b) find the critical value z12, or (c) state that neither the normal
distribution nor the t distribution applies.
30-
The confidence level is 95%, o= 3473 thousand dollars, and the histogram of 56 player salaries (in thousands of dollars) of football players on a team is as shown.
20-
10-
0-
4000 8000 12000 1600 200
Salary (thousands of dollars)
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. tu/2 =
(Round to two decimal places as needed.)
O B. Z/2 =
(Round to two decimal places as needed.)
O C. Neither the normal distribution nor the t distribution applies.
Kouanbej

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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