For each of the following pairs of null and alternative hypotheses, determine whether the pair would be

Question:

For each of the following pairs of null and alternative hypotheses, determine whether the pair would be appropriate for a hypothesis test. If a pair is deemed inappropriate, explain why.
a. H0: μ ≥ 10, H1: μ < 10
b. H0: μ = 30, H1: μ ≠ 30
c. H0: μ > 90, H1: μ ≤ 90
d. H0: μ ≤ 75, H1: μ ≤ 85
e. H0: x-bar ≥ 15, H1: x-bar < 15
f. H0: x-bar = 58, H1: x-bar ≠ 58