please help with question. thanks

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In how many ways can a committee of size 13 be formed from 19 people? Assume that, when people are chosen for a committee, the order of the choices does not matter.

Jun 16th, 2015

13C9 = 10*11*12*13/4 = 4290 ways

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Jun 16th, 2015

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Jun 16th, 2015
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Jun 16th, 2015
Dec 4th, 2016
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