Race and smoking 2010 Data collected in 2010 by theBehavioral Risk Factor Surveillance System revealedthat in the state of New Jersey, 15.7% of whites and15.9% of blacks were cigarette smokers. Suppose theseproportions were based on samples of 2449 whites and464 blacks.a) Create a 90% confidence interval for the difference inthe percentage of smokers between black and whiteadults in New Jersey.b) Does this survey indicate a race-based difference insmoking among New Jersey adults? Explain, using yourconfidence interval to test an appropriate hypothesis.c) What alpha level did your test use?
Race and smoking 2010 Data collected in 2010 by theBehavioral Risk Factor Surveillance System revealedthat in the state of New Jersey, 15.7% of whites and15.9% of blacks were cigarette smokers. Suppose theseproportions were based on samples of 2449 whites and464 blacks.a) Create a 90% confidence interval for the difference inthe percentage of smokers between black and whiteadults in New Jersey.b) Does this survey indicate a race-based difference insmoking among New Jersey adults? Explain, using yourconfidence interval to test an appropriate hypothesis.c) What alpha level did your test use?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Race and smoking 2010 Data collected in 2010 by the
Behavioral Risk Factor Surveillance System revealed
that in the state of New Jersey, 15.7% of whites and
15.9% of blacks were cigarette smokers. Suppose these
proportions were based on samples of 2449 whites and
464 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 New Jersey adults? Explain, using your
confidence interval to test an appropriate hypothesis.
c) What alpha level did your test use?
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