26. Misleading Survey Responses In a survey of 1002 people, 70% said that they votedin a recent presidential election (based on data from ICR Research Group). Voting recordsshow that 61% of eligible voters actually did vote.a. Find a 98% confidence interval estimate of the proportion of people who say thatthey voted.b. Are the survey results consistent with the actual voter turnout of 61%? Why or why not?28. Medication Usage In a survey of 3005 adults aged 57 through 85 years, it was foundthat 81.7% of them used at least one prescription medication (based on data from "Use ofPrescription and Over-the-Counter Medications and Dietary Supplements Among OlderAdults in the United States," by Qato et al., Journal of the American Medical Association, Vol.300, No. 24).a. How many of the 3005 subjects used at least one prescription medication?b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through85 years who use at least one prescription medication.c. What do the results tell us about the proportion of college students who use at least oneprescription medication?PAGE 92

Given Information n =1002 p = 0.61

26. Misleading Survey Responses In a survey of 1002 people, 70% said that they voted in a recent presidential election (based on data from ICR Research Group). Voting records show that 61% of eligible voters actually did vote. a. Find a 98% confidence interval estimate of the proportion of people who say that they voted. b. Are the survey results consistent with the actual voter turnout of 61%? Why or why not?

26. Misleading Survey Responses In a survey of 1002 people, 70% said that they voted in a recent presidential election (based on data from ICR Research Group). Voting records show that 61% of eligible voters actually did vote. a. Find a 98% confidence interval estimate of the proportion of people who say that they voted. b. Are the survey results consistent with the actual voter turnout of 61%? Why or why not?

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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