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A certain drug is used to treat pain, but it is dangerous because it is addictive and can be lethal. In clinical trials, 212 subjects

A certain drug is used to treat pain, but it is dangerous because it is addictive and can be lethal. In clinical trials, 212 subjects were treated with the drug and 73 of them developed nausea. Complete parts (a) and (b) below. Construct a 99% (Wald) confidence interval estimate of the percentage of users of the drug who develop nausea

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