In a survey of 3293 adults aged 57 through 85​ years, it was found that 80.8​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.   a. How many of the 3293 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. ____%

MATLAB: An Introduction with Applications
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In a survey of 3293 adults aged 57 through 85​ years, it was found that
80.8​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.
 
a. How many of the 3293 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, with​ 90% confidence, the probability that a college student uses 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 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).
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