How many 12 member juries can be chosen from a pool of 40 people

Question

Mathematics

Monserrat Rivas

2 June, 19:10

How many 12 member juries can be chosen from a pool of 40 people

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Answers (2)

Know the Answer?

Seth Frank · Answer 1

I think the answer is5 or 5,586,853,480

Sidney White · Answer 2

Since order does not matter you need to use the "n choose k" formula to find the number of unique combinations.

n! / (k! (n-k) !) where n is the total number of possible choices and k is the number of choices made.

In this case we have:

40! / (12! (40-12) !) = 5,586,853,480