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

  1. 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 135 women and 150 men reveal that 12 women and 6 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 95% confidence interval for pWomen - pMen?

    a.

    (-0.0085, 0.1062)
    b.

    (-0.0077, 0.1054)
    c.

    (0.0014, 0.0964)
    d.

    None of the answers is correct
    e.

    (0.0008, 0.0970)
Math   Statistics-And-Probability   
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Answer #1

The statistical software output for this problem is :

The 95% confidence interval for pWomen - pMen is :

(-0.0085 , 0.1062)

a)

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