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 taking competing drugs complain of ﬂulike symptoms. Is there evidence to conclude that more than 1.9% of Lipitor users experience ﬂulike symptoms as a side effect at the α = 0.01 level of signiﬁcance?
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