. "d Let Xi\": = 1, 2, . . . 11 33v N01,, 0'2) where both ,u and 0'2 are unknown. You obtain a random sample of size n = 24 and calculate a 95% CI of (12.69, 23.3). a. What are 5: and 32? (4pt) b. Use your answer in part a) to perform a test of H0 : p g 14 vs. H1 : ,u > 14 at or : 0.2. Perform all steps of the test. (4pt)