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, 0r (c) state that neither 40- the...

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Extracted text: 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, 0r (c) state that neither 40- the normal distribution nor the t distribution applies. 30- The confidence level is 99%, o is not known, 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. ta/2= (Round to two decimal places as needed.) ОВ. Za/2 = (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. Frequency