Assume that we want to construct a confidence 40¬ interval. Do one of the following, as appropriate: (a) find the critical value t/2, (b) find the critical value 30- Z/2, or (c) state that neither the normal distribution nor the t distribution applies. 20- 10- The confidence level is 90%, o is not known, and the histogram of 59 player salaries (in thousands of dollars) of football players on a team is as shown. 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. ta/2= (Round to two decimal places as needed.) В. Za/2= (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. Frequency

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Assume that we want to construct a confidence
40-
interval. Do one of the following, as appropriate: (a)
find the critical value t/2, (b) find the critical value
30-
or (c) state that neither the normal distribution
Za12'
20-
nor the t distribution applies.
10-
The confidence level is 90%, o is not known, and
the histogram of 59 player salaries (in thousands of
dollars) of football players on a team is as shown.
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.)
C. Neither the normal distribution nor the t distribution applies.
Frequency
Transcribed Image Text:Assume that we want to construct a confidence 40- interval. Do one of the following, as appropriate: (a) find the critical value t/2, (b) find the critical value 30- or (c) state that neither the normal distribution Za12' 20- nor the t distribution applies. 10- The confidence level is 90%, o is not known, and the histogram of 59 player salaries (in thousands of dollars) of football players on a team is as shown. 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.) C. Neither the normal distribution nor the t distribution applies. Frequency
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