Question

In an article about unusual​ allergies, a doctor explained that allergy to sulfites is usually seen in patients with asthma. The typical reaction is a sudden increase in asthma symptoms after eating a food containing sulfites. Studies are performed to estimate the percentage of the​ nation's 10 million asthmatics who are allergic to sulfites. In one​ survey, 44 of 500 randomly selected asthmatics in the country were found to be allergic to sulfites. Find and interpret a 90​% confidence interval for the​ proportion, p, of all asthmatics in the country who are allergic to sulfites.

Answer 1