Probability Homework Help

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If nine people run a race, how many different permutations are there for who finishes first, second, and third?

May 8th, 2015

It's a 9P3 permutation which equals 9!/(9-3)! = 9x8x7 = 504

May 8th, 2015

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May 8th, 2015
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May 8th, 2015
Jun 29th, 2017
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