A random sample of n observations is selected from a normal population to test the null hypothesis that = 10. Specify the rejection region for the following combination of Ha, , and n: Ha: 10; = .05; n = 14 Question 10 options: A) The rejection region requires a = .01 in the upper tail of the t-distribution with df = n - 1 = 24 - 1 = 23. B) The rejection region requires a = .10 in the upper tail of the t-distribution with df = n - 1 = 9 - 1 = 8. C) The rejection region requires a = .01 in the lower tail of the t-distribution with df = n - 1 = 12- 1 = 11. D) The rejection region requires a / 2 = .05 / 2 = .025 in each tail of the t-distribution with df = n - 1 = 14 - 1 = 13