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) state that neither the normal distribution nor the t distribution applies. The confidence level is 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. Kouenbe 40 오호호호 20 10 0 - 4000 8000 12000 16000 20000 Salary (thousands of dollars) O Q G

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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 to/2. (b) find the critical
value Za/2, or (c) state that neither the normal distribution nor the t distribution applies.
The confidence level is 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as
shown.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. ta/2
OB.
(Round to two decimal places as needed.)
Za/2
(Round to two decimal places as needed.)
OC. Neither the normal distribution nor the t distribution applies.
30-
20-
10-
0
4000 8000 12000 16000 20000
Salary (thousands of dollars)
O
Q
Transcribed Image Text:Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value to/2. (b) find the critical value Za/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. ta/2 OB. (Round to two decimal places as needed.) Za/2 (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies. 30- 20- 10- 0 4000 8000 12000 16000 20000 Salary (thousands of dollars) O Q
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