USe the sample data and confidence level given below to complete parts (a) through (b)
A drug is used to help prevent blood clots in certain patients. in clinical trials, among 4491 patients treated with the drug, 147 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
_________
(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.)
d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below
A. One has 90% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.
B. There is a 90% chance that the true value of the population proportion will fall between the lower bound and the upper bound
C. 90% of sample proportions will fall between the lower bound and the upper bound
D. One has 90% confidence that the sample proportion is equal to the population proportion