(Solution) - Calculate the P values for the hypothesis tests indicated in Question -(2025 Original AI-Free Solution)

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Calculate the P-values for the hypothesis tests indicated in Question 6.2.1. Do they agree with your decisions on whether or not to reject H0?
(a) H0: ? = 120 versus H1: ? < 120; = 114.2, n = 25, ? = 18, ? = 0.08
(b) H0: ? = 42.9 versus H1: ? ? 42.9; = 45.1, n = 16, ? = 3.2, ? = 0.01
(c) H0: ? = 14.2 versus H1: ? > 14.2; = 15.8, n = 9, ? = 4.1, ? = 0.13