A health organization asserts that the prevalence of smoking among male adults 18 years or older in the United States exceeds the prevalence of smoking among female adults 18 years or older. In a random survey of 1,000 US adults 18 years or older (516 male, 484 female), 129 of male respondents identified themselves as smokers, and 87 of female respondents identified themselves as smokers. At the 5% significance level, do the data provide sufficient evidence to conclude that in US adults 18 years or older, proportion of male smokers exceeds proportion of female smokers?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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A health organization asserts that the prevalence of smoking among male adults 18 years or older in the United States exceeds the prevalence of smoking among female adults 18 years or older. In a random survey of 1,000 US adults 18 years or older (516 male, 484 female), 129 of male respondents identified themselves as smokers, and 87 of female respondents identified themselves as smokers. At the 5% significance level, do the data provide sufficient evidence to conclude that in US adults 18 years or older, proportion of male smokers exceeds proportion of female smokers? 

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