in how many ways can a comitte cosisting of 3 members be formed from 6 people?
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in how many ways can a comitte cosisting of 3 members be formed from 6 people?
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Answer: I use the formula of COMBINATION so the answer is 20
Step-by-step explanation: Given : n = 6 r = 3
C(n-r)= n! / (n-r)! r!
C (6-3)= 6! / (6-3)! 3!
= 6! \ 3! 3!
= 6x5x4x3 \ 3!
= 6x5x4 \ 3!
= 120 \ 6
= 20