Mathematics, 09.07.2020 01:01 gianni0

There are 9 students in a class: 5 boys and 4 girls. If the teacher picks a group of 4 at random, what is the probability that everyone in the group is a boy?

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There are 9 students in a class: 5 boys and 4 girls. If the teacher picks a group of 4 at random, w...

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