probability and statistic

In a survey of 3283 adults aged 57 through 85​ years, it was found that 86.1​%

of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.

a. How many of the 3283 subjects used at least one prescription​ medication?

b. Construct a​ 90% 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?

Please wait…

(Round to the nearest integer as​ needed.)

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