SOLUTION: In how many ways can Mrs. Powell choose 3 students from a group of 13 to be on the school spirit committee?

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Question 411611: In how many ways can Mrs. Powell choose 3 students from a group of 13 to be on the school spirit committee?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

In how many ways can Mrs. Powell choose 3 students from a group of 13 

to be on the school spirit committee?

 13C3 ways = 13*12*11/2*3 = 286 ways      |nCx = n%21%2F%28x%21%28n-x%29%21%29