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Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t, ., (b) find the 4 - critical value z_,, or (c) state that neither the normal distribution nor = C}\\ the t distribution applies. g & The confidence level is 99%, o = 3833 thousand dollars, and the histogram of 61 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) - O O O Select the cormrect choice below and, if necessary, fill in the answer box to complete your choice. OA t,,= (Round to two decimal places as needed.) OB Zo12 = (Round to two decimal places as needed.) O o Meither the normal distribution nor the t distribution applies. 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_,,,, or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n=282, x=29.3 hg, s=7.7 hg. The confidence level is 90%. - @O Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. tm"i = (Round to two decimal places as needed.) O B. Zg2=| (Round to two decimal places as needed.) (O C. Neither the normal distribution nor the t distribution applies. Salaries of 32 college graduates who took a statistics course in college have a mean, x, of $60,900. Assuming a standard deviation, o, of $11,357, construct a 95% confidence interval for estimating the population mean u. Click here to view a t distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. $