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Mathematics, 05.05.2020 00:53, munaizsiddiqui
A parent-teacher committee consisting of 4 people is to be formed from 21 parents and 5 teachers. Find the probability that the committee will consist of all teachers.
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Answers: 3
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A parent-teacher committee consisting of 4 people is to be formed from 21 parents and 5 teachers. Fi...
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