Chapter 19, Problem 12E

More errors For each of the following situations, state whether a Type I, a Type II, or neither error has been made.

1. a) A test of H₀: μ = 25 vs. H_A: μ > 25 rejects the null hypothesis. Later it is discovered that μ = 24.9.
2. b) A test of H₀: p = 0.8 vs. H_A: p < 0.8 fails to reject the null hypothesis. Later it is discovered that p = 0.9.
3. c) A test of H₀: p = 0.5 vs. H_A: p ≠ 0.5 rejects the null hypothesis. Later it is discovered that p = 0.65.
4. d) A test of H₀: p = 0.7 vs. H_A: p < 0.7 fails to reject the null hypothesis. Later it is discovered that p = 0.6.