Question
From 6 men and 5 women, a committee of 4 is formed. In
how many ways can it be formed with at least 2 women?Solution
ATQ, 2W2M: C(5,2)×C(6,2) = 10×15 = 150 3W1M: C(5,3)×C(6,1) = 10×6 = 60 4W0M: C(5,4)×C(6,0) = 5×1 = 5 Total = 150+60+5 = 215
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