Mathematics, 20.07.2019 07:30 kam71

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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