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Probability

A survey of TV viewing habits of 50 men and 50 women found the following information: Of the 50 men, 20 prefer watching baseball and 30 prefer football. Of the 50 women, 25 prefer watching baseball and 25 prefer football. Construct a data table for this data and answer this question: Out of the entire survey, what is the probability of choosing a woman who prefers baseball?

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  1. Men Women Total
    prefer
    baseball 20 25 45
    prefer
    football 30 25 55
    Total 50 50 100

    P(pf|W) = (25/100)/(50/100)

    p = 25/50 = .5

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