nCr / nPr functions on the BA II Thank, relating

prav_Cfa7

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

Thank you!

scr879

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