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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Originally Posted by biggestbernard1 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, $\displaystyle {9 \choose 4} = _9C_4$
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