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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?

For the hypothesis stated above, what is the test statistic (in terms of "Women" minus "Men")?

a.

1.2618
b.

1.3303
c.

None of the answers is correct
d.

1.3092
e.

1.2891
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Group 1 denotes Women and Group 2 denoted Men

Hypothesis:

This corresponds to a one-tailed(right) Z-test for two population proportions.

Test Statistic:

Where

Option A

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