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4 May, 17:35

Ms. Murphy has to select 4 swimmers out of 9 swimmers to create a relay team. In how many ways can she create a relay team? 3,024 6,561 15,120 362,856

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  1. 4 May, 17:54
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    It would be nPr = n! / (n-r) ! = 9! / (9-4) ! = 9!/5! = 3024
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