Determine the power of the test in Prob. 6. Data from Prob 6 Assuming normality and known
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Determine the power of the test in Prob. 6.
Data from Prob 6
Assuming normality and known variance σ2 = 9, test the hypothesis μ = 60.0 against the alternative μ = 57.0 using a sample of size 20 with mean x̅ = 58.50 and choosing α = 5%.
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