32. Race and smoking 2015 Data collected in 2015 by the Behavioral Risk Factor Surveillance System revealed that in the state of New Jersey, 27.3% of whites and 47.2% of blacks were cigarette smokers. Suppose these proportions were based on samples of 3607 whites and 485 blacks. a) Create a 90% confidence interval for the difference in the percentage of smokers between black and white adults in New Jersey. b) Does this survey indicate a race-based difference in smoking among American adults? Explain, using your confidence interval to test an appropriate hypothesis. c) What alpha level did your test use?

32. Race and smoking 2015 Data collected in 2015 by the Behavioral Risk Factor Surveillance System revealed that in the state of New Jersey, 27.3% of whites and 47.2% of blacks were cigarette smokers. Suppose these proportions were based on samples of 3607 whites and 485 blacks. a) Create a 90% confidence interval for the difference in the percentage of smokers between black and white adults in New Jersey. b) Does this survey indicate a race-based difference in smoking among American adults? Explain, using your confidence interval to test an appropriate hypothesis. c) What alpha level did your test use?

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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Question

100%

32. Race and smoking 2015 Data collected in 2015 by the
Behavioral Risk Factor Surveillance System revealed that in the
state of New Jersey, 27.3% of whites and 47.2% of blacks were
cigarette smokers. Suppose these proportions were based on
samples of 3607 whites and 485 blacks.
a) Create a 90% confidence interval for the difference in the
percentage of smokers between black and white adults in
New Jersey.
b) Does this survey indicate a race-based difference in smoking
among American adults? Explain, using your confidence
interval to test an appropriate hypothesis.
c) What alpha level did your test use?

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