In a survey of 3078 adults aged 57 through 85 years, it was found that 84.4% of them used at least one prescription medication. Complete parts (a) through (c) below.
Ch
a. Hoev many of the 3078 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.
AD
(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?
O 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).
OB. The results tell us nothing about the proportion of college students who use at least
Click to select your answer(s).
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