14. Find the critical value or values for the following values of the significance level α, sample size n, and alternate hypothesis H1:
a. α = 0.05, n = 39, H1: μ > μ0
b. α = 0.01, n = 34, H1: μ < μ0
c. μ = 0.10, n = 6, H1: μ ā μ0
d. α = 0.05, n = 25, H1: μ ā μ0