Answer to Question #330172 in Statistics and Probability for Robera

Statistics and Probability

Question #330172

In how many ways can a committee of three be chosen from 4 married couples if

a) All are equally eligible?

b) One particular man must be on the committee?

Expert's answer

a) "N=C_8^3=\\frac{8!}{3!5!}=56."

b) "N=C_7^2=\\frac{7!}{2!5!}=21."

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