SOLUTION: From a group of 18 customers,6 are to be chosen to receive a special gift. Assuming that the order in which the customers are chosen is irrelevant, how many groups of 6 customers c

SOLUTION: From a group of 18 customers,6 are to be chosen to receive a special gift. Assuming that the order in which the customers are chosen is irrelevant, how many groups of 6 customers c

Algebra.Com

Question 463605: From a group of 18 customers,6 are to be chosen to receive a special gift. Assuming that the order in which the customers are chosen is irrelevant, how many groups of 6 customers can be chosen?

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
nCr = Combination of n things taken r at a time = n!/((n-r)!*r!)
18C6=18564 groups
.
Ed
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