In how many ways can a committee of 6 students be chosen from 8 boys and 7 girls if there must be 4 girls in the committee? show
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This can be done in C(7, 4) ways, which is equal to 7! / (4! * (7-4)!) = 7! / (4! * 3!) = (7 * 6 * 5) / (3 * 2 * 1) = 35 ways. Show more…
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