Refer to the contingency table shown below. (a) Calculate
each probability (ivi) 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.)
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