In a survey of 3299 adults aged 57 through 85 years, it was found that 82.2% of them used at least one prescription medication. a. How many of the3299 subjects used at least one prescription medication? ^ answer = 2712 b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. ^ answer = 81.10 % < p < 83.30% QUESTION c. What do the results tell us about the proportion of college students who use at least one prescription medication? choose. A. 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). B. The results tell us nothing about the proportion of college students who use at least one prescription medication. 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). 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).

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a survey of 3299 adults aged 57 through 85 years, it was found that 82.2% of them used at least one prescription medication.

a. How many of the3299 subjects used at least one prescription medication?

^ answer = 2712

b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication.

^ answer = 81.10 % < p < 83.30%

***QUESTION***

c. What do the results tell us about the proportion of college students who use at least one prescription medication?

choose.

A. 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).

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

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).

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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