An article in the International Journal of Clinical Practice described a study in which a sample of
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An article in the International Journal of Clinical Practice described a study in which a sample of 314 patients took a combination of the drugs ezetimibe and simvastatin in order to reduce their total blood cholesterol levels. A test of the hypotheses H0: μ = 1 versus H1: μ > 1 will be made at the α = 0.05 level of significance.
Assume the population standard deviation is σ = 0.2.
a. Find the power of the test against the alternative
μ1 = 1.02.
b. Find the power of the test against the alternative
μ1 = 1.05.
c. Find the power of the test against the alternative μ1 = 1.02 if the test is made at level
α = 0.01.
d. Find the power of the test against the alternative μ1 = 1.05 if the test is made at level
α = 0.01.
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