Answer A-E and round four decimal points.

8.2.12 Determine the upper-tail critical value to /2 in each of the following circumstances. a. 1 - a = 0.90, n = 67 d. 1 - a =0.90, n = 15 b. 1 - a = 0.99, n =67 e. 1 - a = 0.95, n =22 c. 1 - a = 0.90, n =61 Click here to view page 1 of the table of critical values for the t distribution. Click here to view page 2 of the table of critical values for the t distribution. a. t= (Round to four decimal places as needed.)