In a survey of 3172 adults aged 57 through 85 years, it was found that 88.3% of them used at least one prescription medication. Complete parts (a) through (c) below. C a. How many of the 3172 subjects used at least one prescription medication? (Round 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. %
In a survey of 3172 adults aged 57 through 85 years, it was found that 88.3% of them used at least one prescription medication. Complete parts (a) through (c) below. C a. How many of the 3172 subjects used at least one prescription medication? (Round 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. %
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:In a survey of 3172 adults aged 57 through 85 years, it was found that 88.3% of them used at least one prescription medication. Complete parts (a) through (c) below.
C
a. How many of the 3172 subjects used at least one prescription medication?
(Round 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?
O A. The results tell us nothing about the proportion of college students who use at least one prescription medication.
O 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).
O C. 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).
O D. 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).
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