SOLUTION: A committee of 5 people is selected from a group of 9 men and 11 women. In how many ways can the committee be selected so it contains at least 1 woman?

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Question 1116840: A committee of 5 people is selected from a group of 9 men and 11 women. In how many ways can the committee be selected so it contains at least 1 woman?
Answer by greenestamps(13200) About Me  (Show Source):
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Total number of ways of selecting 5 of the 20 people: 20C5 = 15504

Total number of ways of selecting 5, none of which are women: 9C5 = 126

Number of ways of making the selection with at least one woman: 15504-126 = 15378