on s Test : 1 0.0, 7 .157 .5) This Question: 5 pts 3 of 20 (17 complete) This Test: 100 pis possible Question Help v O Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value \\, /2, (b) find the critical value z,,/2, or (C) state that neither the normal distribution nor the I distribution aggpiles The confidence level is 99%, o is not known, and the histogram of 55 player salaries (in thousands of dollars) off football players on a team is as shown. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. /2 =1 (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