Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t12, (b) find the critical value z, 12, or (c) 40- state that neither the normal distribution nor thet distribution applies. 30- The confidence level is 90%, o = 4084 thousand dollars, and the histogram of 55 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. /2= (Round to two decimal places as needed.) OB. Za/2= (Round to two decimal places as needed.) O C. Neither the normal distribution nor thet distribution applies. kouenbasg

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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 t/2, (b) find the critical value z,12, or (c)
40-
state that neither the normal distribution nor the t distribution applies.
30-
The confidence level is 90%, o= 4084 thousand dollars, and the histogram of 55 player salaries (in thousands of dollars) of football players on a team is as shown.
20어
10-
0-
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. t/2=
(Round to two decimal places as needed.)
O B.
Za/2 =
(Round to two decimal places as needed.)
C. Neither the normal distribution nor the t distribution applies.
kɔuənbə
Transcribed Image Text:7.2.7-T Question Help 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,12, or (c) 40- state that neither the normal distribution nor the t distribution applies. 30- The confidence level is 90%, o= 4084 thousand dollars, and the histogram of 55 player salaries (in thousands of dollars) of football players on a team is as shown. 20어 10- 0- 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. t/2= (Round to two decimal places as needed.) O B. Za/2 = (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. kɔuənbə
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