Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value f/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 95%, a is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown. OB. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA /2 (Round to two decimal places as needed.) Frequency Za/2" (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. 30- 20- 10 4000 8000 12000 16000 20000 Salary (thousands of dollars) 88 a

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