7. In 2005 the New Jersey Adult Tobacco Survey found that 22.5% of 464 blacks surveyed said that they smoked cigarettes while 18.3% of 2449 white respondents reported smoking. Construct a 90% confidence interval for the difference in the percentage of smokers between black and white adults in New Jersey. Does this survey indicate a race-based difference in smoking among in New Jersey? adults

7. In 2005 the New Jersey Adult Tobacco Survey found that 22.5% of 464 blacks surveyed said that they smoked cigarettes while 18.3% of 2449 white respondents reported smoking. Construct a 90% confidence interval for the difference in the percentage of smokers between black and white adults in New Jersey. Does this survey indicate a race-based difference in smoking among in New Jersey? adults

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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