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    caela1 Posts: 1, Reputation: 1
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    Nov 17, 2012, 07:16 PM
    Counting Principle, Permutations, and Combinations
    The United States Senate has 100 members, 52 Republicans and 48 Democrats. Find the probability of selecting a committee five senators who are all Democrats if the selection is totally random.

    52nPr5=311875200
    48nPr5=205476480

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