Question
A committee of 4 members is to be formed from 5 men and
4 women such that at least one woman is included. In how many ways can this be done?Solution
ATQ, Total people = 9 Total ways to choose any 4 = C(9,4) = 126 Ways with no woman (all 4 are men): Men = 5 → C(5,4) = 5 Required ways = 126 – 5 = 121.
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