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4 December, 03:28

From a group of 10 candidates, a committee of 4 people is selected. In how many different ways can the committee be selected?

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Answers (2)
  1. 4 December, 05:23
    0
    10! / (4! * (10-4) !) = 210 different ways
  2. 4 December, 06:44
    0
    It's a combination because the order they are chosen doesn't matter.

    example: (A, B, C) = (C, B, A) = (B, A, C) ... etc.

    combination choose 4 out of set of 10

    10Cr (4) = 210 ways to pick 4 committee members from a group of 10
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