Question

In a survey of 3374 adults aged 57 through 85​ years, it was found that 83.4​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.

a. How many of the 3374 subjects used at least one prescription​ medication? Round to the nearest integer as​needed.)

b. Construct a​ 83.4% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication.

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 probability that a college student uses 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​ 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).

D.

The results tell us nothing about the proportion of college students who use at least one prescription medication.

Answer 1