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    Mr. X invites 15 relatives to a party: his mother, three uncles, two aunts, four brothers, and five cousins. If the chances of any one guest arriving first are equally likely, find the following probabilities:

    a. the first guest is an uncle or a cousin
    b. the first guest is a brother or a cousin
    c. the first guest is an uncle or her mother

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    Solution Preview

    Total No# of Relatives = 15

    a) No of Uncles = 3
    No of Cousins = 5

    Probability = Number of success ...

    Solution Summary

    The probability from a given situation is calculated. The probability of different party guests arriving are determined.