If the consequences of making a Type I error are severe, would you choose the level of signiﬁcance, α, to equal 0.01, 0.05, or 0.10? Why?
Answer to relevant QuestionsWhat happens to the probability of making a Type II error, β, as the level of signiﬁcance, α, decreases? Why? H0: p = 0.6 versus H1: p < 0.6 n = 250; x = 124; α = 0.01 Test the hypothesis using (a) The classical approach and (b) The P-value approach. Be sure to verify the requirements of the test. Lipitor is meant to reduce total cholesterol and LDL cholesterol. In clinical trials, 19 out of 863 patients taking 10 mg of Lipitor daily complained of ﬂulike symptoms. Suppose that it is known that 1.9% of patients ...In August 2002, 47% of parents who had children in grades K–12 were satisﬁed with the quality of education the students receive. In September 2010, the Gallup organization conducted a poll of 1013 parents who have ...In November 2009, 65% (0.65) of Americans favored the death penalty for a person convicted of murder. In November 2010, 1025 adult Americans were asked by the Gallup organization, “Are you in favor of the death penalty for ...
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