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 4104 patients treated with the drug, 134 developed the adverse reaction of nausea. Construct a 99% confidence interval for the proportion of adverse reactions. a) Find the best point estimate of the population proportion p .033 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E=.005 (Round to three decimal places as needed.) c) Construct the confidence interval.