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Math Help - word combinations problem

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    word combinations problem

    How many ways can 4 people be chosen from a group of 9? Tell whether the situation is a permutation of combination. Then solve.
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by biggestbernard1 View Post
    How many ways can 4 people be chosen from a group of 9? Tell whether the situation is a permutation of combination. Then solve.
    this is just "9 choose 4", or in other words, {9 \choose 4} = _9C_4
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