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 trals, among 4784 patents treated with the drug, 149 developed the adverse reaction of nausa Construct a 90% confidence interval for the proportion of adverse reactions a) Find the best point estimate of the population proportion p (Round to three decimal places as needed.) b) Identify the value of the margin of error E E= (Round to three decimal places as needed) c) Construct the confidence interval. (Round to three decimal places as needed.)

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