SOLUTION: I'm trying to figure out how this answer was derived from this problem. I understand how to do the Permutation problems but not the combinatorics C (17, 4) the answer given was

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Question 345770: I'm trying to figure out how this answer was derived from this problem. I understand how to do the Permutation problems but not the combinatorics
C (17, 4) the answer given was 35.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
I understand how to do the Permutation problems but not the combinatorics
C(17, 4) the answer given was 35.
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Formula: C(n,r) = n!/(n-r)!r!
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C(17,4) = 17!/[13!*4!] = (17*16*16*14)/(1*2*3*4) = 2380
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The answer is definately not 35.
===============
Cheers,
Stan H.

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