Question

In a survey of 3276 adults aged 57 through 85​ years, it was found that 88.4​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.

a. How many of the 3276 subjects used at least one prescription​ medication? ​(Round to the nearest integer as​ needed.)

b. Construct a​ 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. ​__% < p < __%(Round to one decimal place as​ needed.)

c. What do the results tell us about the proportion of college students who use at least one prescription​ medication? A. The results tell us​ that, with​ 90% confidence, the true proportion of college students who use at least one prescription medication is in the interval found in part​ (b). B. The results tell us that there is a​ 90% probability that the true proportion of college students who use at least one prescription medication is in the interval found in part​ (b). C. The results tell us nothing about the proportion of college students who use at least one prescription medication. D. The results tell us​ that, with​ 90% confidence, the probability that a college student uses at least one prescription medication is in the interval found in part​ (b).

Answer 1