Use the sample data and confidence level given below to complete parts (a) through (d). A drug is used to help prevent blood clots in certain patients. In clinical trials, among 4456 patients treated with the drug, 179 developed the adverse reaction of nausea. Construct a \( 90 \% \) confidence interval for the proportion of adverse reactions. a) Find the best point estimate of the population proportion p . .040 (Round to three decimal places as needed.) b) Identify the value of the margin of error E . \( \mathrm{E}=.005 \) (Round to three decimal places as needed.) c) Construct the confidence interval. \( \square<\mathrm{p}<\square \) (Round to three decimal places as needed.)
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