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    Calculate each probability for smoking by race for males

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    Refer to the contingency table shown below. (a) Calculate each probability (i-vi) and explain in
    words what it means. (b) Do you see evidence that smoking and race are not independent?
    Explain. (c) Do the smoking rates shown here correspond to your experience? (d) Why might
    public health officials be interested in this type of data? (Data are from Statistical Abstract of the
    United States, 2001, pp. 12 and 16. Note: Actual statistics are applied to a hypothetical sample of
    1,000.) Smoking2
    i. P(S) ii. P(W) iii. P(S | W)
    iv. P(S | B) v. P(S and W) vi. P(N and B)

    Smoking by Race for Males Aged 18-24

    Smoker Nonsmoker
    (S) (N) Row Total
    White (W) 290 560 850
    Black (B) 30 120 150
    Column Total 320 680 1,000

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    Solution Preview

    Calculate each probability

    Refer to the contingency table shown below.
    (a) Calculate each probability (i-vi) and explain in words what it means.
    (b) Do you see evidence that smoking and race are
    not independent? Explain.
    (c) Do the smoking rates shown here correspond to your
    experience?
    (d) Why might public health officials be interested in this type of data? (Data are from Statistical Abstract of the United States, 2001, pp. 12 and 16. Note: Actual statistics are applied to a hypothetical sample of 1,000.)
    Smoking2
    i. P(S) ii. P(W) iii. P(S | W)
    iv. P(S | B) v. P(S and W) vi. P(N and B)

    Smoking by Race for Males Aged 18-24

    Smoker Nonsmoker
    (S) ...

    Solution Summary

    The solution calculates each probability for smoking by race for males.

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