In a survey of 3005 adults aged 57 through 85 years, it was found that 81.7% of them used at least one prescription medication. a. How many of the 3005 subjects used at least one prescription? 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. Construct a 99% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. d. Based on the results on b) and c), explain the effect of the confidence level on the margin of error and its practical implication

In a survey of 3005 adults aged 57 through 85 years, it was found that 81.7% of them used at least one prescription medication. a. How many of the 3005 subjects used at least one prescription? 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. Construct a 99% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. d. Based on the results on b) and c), explain the effect of the confidence level on the margin of error and its practical implication

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Description: In a survey of 3005 adults aged 57 through 85 years, it was found that 81.7% of them used at least one prescription medication. a. How many of the 3005 subjects used at least one prescription?b. Construct a 90% confidence interval estimate of the per

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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