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how many subsets of 5 numbers are there in a field of 68 numbers?

 Jan 13, 2016
 #1
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im pretty sure it would be 13

 Jan 13, 2016
 #2
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+5

Permutation: A set of objects in which position (or order) is important=nPr=68P5=1,250,895,360

Combination: A set of objects in which position (or order) is NOT important.=nCr=68C5=10,424,128

 Jan 13, 2016

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