For the following cases, specify which probability distribution, to use in a hypothesis test: (a) H 0: μ = 15, H1: μ ≠ 15, x = 14.8, ˆσ = 3.0, n = 35. (b) H 0: μ = 9.9, H1: μ ≠ 9.9, x = 10.6, σ = 2.3, n = 16. (c) H 0: μ = 42, H1: μ > 42, x = 44, σ = 4.0, n = 10. (d) H0: μ = 148, H1: μ > 148, x = 152, ˆσ = 16.4, n = 29. (e) H 0: μ = 8.6, H1: μ < 8.6, x = 8.5, ˆ σ = 0.15, n = 24.
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