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Philip Morris wishes to determine if there is a difference between the proportion of women and...

Philip Morris wishes to determine if there is a difference between the proportion of women and proportion of men who smoke cigarettes. Random samples of 110 women and 95 men reveal that 14 women and 7 men smoke cigarettes. Does the data indicate that the proportion of women who smoke cigarettes is higher than the proportion of men who do at α=.005?

What is the 90% confidence interval for pWomen - pMen?

a.

None of the answers is correct
b.

(-0.0163, 0.1235)
c.

(-0.0279, 0.1351)
d.

(-0.0148, 0.1220)
e.

(-0.0297, 0.1368)
Math   Statistics-And-Probability   
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