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 40- applies. 30- 20- The confidence level is 90%, o is not known, and the histogram of 57 player salaries (in thousands of dollars) of football players on a team is as shown. 10- 4000 8000 12000 16000 20 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.) OB. Zal2= (Round to two decimal places as needed.) OC. Neither the normal distribution nor the t distribution applies. Frequency

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Question He
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 z2, or (c) state that neither the normal distribution nor the t distribution
40
applies.
30-
20-
The confidence level is 90%, o is not known, and the histogram of 57 player salaries (in thousands of dollars) of
football players on a team is as shown.
10-
0.
4000 8000 12000 16000 200
Salary (thousands of dolars)
Select the correct choice beloN and, if necessary, fill in the answer box to complete your choice.
O A ta/2
(Round to two decimal places as needed.)
O B.
Za/2=|
(Round to two decimal places as needed.)
O C. Neither the normal distribution nor the t distribution applies.
Click to select and enter your answer(s)
&
*
24
4
%23
7
8.
9.
5
2
Kauanba
Transcribed Image Text:Question He 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 z2, or (c) state that neither the normal distribution nor the t distribution 40 applies. 30- 20- The confidence level is 90%, o is not known, and the histogram of 57 player salaries (in thousands of dollars) of football players on a team is as shown. 10- 0. 4000 8000 12000 16000 200 Salary (thousands of dolars) Select the correct choice beloN and, if necessary, fill in the answer box to complete your choice. O A ta/2 (Round to two decimal places as needed.) O B. Za/2=| (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. Click to select and enter your answer(s) & * 24 4 %23 7 8. 9. 5 2 Kauanba
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