The tobacco industry closely monitors all surveys that involve smoking. One survey showed that among 850 randomly selected subjects who completed 4 years of college, 10.3% smoke (based on data from American Medical Association). The 80% confidence interval for the true percentage of smokers of all people who completed 4 years of college is closest to (0.900, 0.116) b. (0.245, 0.267) c. (0.397,0.457) d. (0.147, 0.219) e. (0.359,0.923) a.

The tobacco industry closely monitors all surveys that involve smoking. One survey showed that among 850 randomly selected subjects who completed 4 years of college, 10.3% smoke (based on data from American Medical Association). The 80% confidence interval for the true percentage of smokers of all people who completed 4 years of college is closest to (0.900, 0.116) b. (0.245, 0.267) c. (0.397,0.457) d. (0.147, 0.219) e. (0.359,0.923) a.

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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