SOLUTION: How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 strudents must be seniors?
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Question 391743: How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 strudents must be seniors?
Thank you so much!!!!!!
God Bless!!!!!!
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!
exactly 3 students must be seniors, so 2 from juniors
no. of ways = 4C2 * 6C3 = 6 * 15 = 90
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