SOLUTION: There is a fraternity of 18 students. In how many ways can a committee of 6 be selected?

SOLUTION: There is a fraternity of 18 students. In how many ways can a committee of 6 be selected?

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Question 524237: There is a fraternity of 18 students. In how many ways can a committee of 6 be selected?
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
Use
Following Formula
nCr=n!/(r!(n-r)!
n=18
r=6
18C6=18!/6!(18-6)!
18C6=18!/6!12!
18C6=18*17*16*15*14*13*12!/1*2*3*4*5*6*12!
Cancel out 12!
18C6=18*17*16*15*14*13/1*2*3*4*5*6*
18C6=13366080/720
18C6=18564 ways

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