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    Rule of Probability

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    A study of 203 advertising firms revealed their income after taxes:
    Income after Taxes Number of Firms

    Under $1 million 102

    $1 million to $20 million 54

    $20 million or more 47

    (a) What is the probability an advertising firm selected at random has under $1 million in income after taxes? (Round your answer to 2 decimal places.)

    Probability

    (b-1) What is the probability an advertising firm selected at random has either an income between $1 million and $20 million, or an income of $20 million or more? (Round your answer to 2 decimal places.)

    Probability

    (b-2) What rule of probability could be applied?

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    Solution Summary

    Rule of Probability is evaluated.

    $2.19