20. OxyContin The drug OxyContin (oxycodone) is used to treat pain, but it is dangerou because it is addictive and can be lethal. In clinical trials, 227 subjects were treated wit OxyContin and 52 of them developed nausea (based on data from Purdue Pharma L.P.). a. Construct a 95% confidence interval estimate of the percentage of OxyContin users who develop nausea. 7-1 Estimating a Population Proportion b. Compare the result from part (a) to this 95% confidence interval for 5 subjects who developed nausea among the 45 subjects given a placebo instead of OxyContin: 1.93% < p < 20.3%. What do you conclude?

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