There are 7 women and 5 men in a department. four people are needed for a committee.

a. in how many ways can a committee of 4 people be selected?

b. in how many ways can this committee be selected if there must be exactly 2 men and 2 women on the committee?

c. in how many ways can this committee be selected if there must be at least 2 women on the committee?

Question

22 January, 10:41

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Answers (1)

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Lorenzo Ochoa · Answer 1

A. 4 men, 4 women, 3 men, 1 women, 3 women, 1 men

B. Both groups of 2

C. then find 2 men