In a trial of 150 patients who received 10-mg doses of a drug daily, 2

In a trial of 150 patients who received 10-mg doses of a drug daily, 2

In a trial of 150 patients who received 10-mg doses of a drug daily, 27 reported headache as a side effect.Construct a 90% confidence interval for the population proportion of patients who receive the drug and report headache as a side effect.