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标题: nCr / nPr functions on the BA II [打印本页]

作者: prav_Cfa7 时间: 2011-7-11 18:36 标题: nCr / nPr functions on the BA II

Can anyone explain the use of the nCr and nPr functionality relating to stats work?

Thank you!

作者: scr879 时间: 2011-7-11 18:36

Combinations and permutations

No of combinations of r things from a set of n things =
nCr = n!/(r! * (n-r)!)

Number of permutations of r things from a set of n things=
nPr = n! / (n-r)!

CP

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