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 z/2, 0or (c) 40- state that neither the normal distribution nor the t distribution applies. 30- The confidence level is 99%, o = 3744 thousand dollars, and the histogram of 61 player salaries (in thousands of dollars) of football players on a team is as shown. 20어 10- 0- 4000 8000 120ỏ00 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. tu/2= (Round to two decimal places as needed.) O B. Za/2= (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies.

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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 ta /2, (b) find the critical value za/2, or (c)
40-
state that neither the normal distribution nor the t distribution applies.
30-
The confidence level is 99%, o = 3744 thousand dollars, and the histogram of 61 player salaries (in thousands of dollars) of football players on a team is as shown.
20-
10-
4000 8000 12000 16000 20000
Salary (thousands of dollars)
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. ta/2=
(Round to two decimal places as needed.)
В.
Za/2 =
(Round to two decimal places as needed.)
O C. Neither the normal distribution nor the t distribution applies.
Frequency
Transcribed Image Text:Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value ta /2, (b) find the critical value za/2, or (c) 40- state that neither the normal distribution nor the t distribution applies. 30- The confidence level is 99%, o = 3744 thousand dollars, and the histogram of 61 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 4000 8000 12000 16000 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. ta/2= (Round to two decimal places as needed.) В. Za/2 = (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. Frequency
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