# Young Adult magazine states the following hypotheses about the mean age of its subscribers. H 0 : μ = 28 H a : μ ≠ 28 a. What would it mean to make a Type II error in this situation? b. The population standard deviation is assumed known at σ = 6 years and the sample size is 100. With α = .05, what is the probability of accepting H 0 for α equal to 26, 27, 29, and 30? c. What is the power at μ = 26? What does this result tell you?

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

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Chapter 9.6, Problem 50E
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