select the correct choice

sume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical lue to /2, (b) find the critical value zo/2, or (c) state that neither the normal distribution nor the t distribution plies. e confidence level is 95%, o is not known, and the histogram of 51 player salaries (in thousands of dollars) of Frequency tball players on a team is as shown. O 4000 8000 12000 16000 20000 Salary (thousands of dollars) . . .. . lect the correct choice below and, if necessary, fill in the answer box to complete your choice. . ta/2= (Round to two decimal places as needed. ) B. Za / 2 = (Round to two decimal places as needed.)