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Mathematics, 05.05.2020 12:29 jesussanchez1445

There are 9 students in a class: 7 boys and 2girls.
If the teacher picks a group of 3 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: 7 boys and 2girls.
If the teacher picks a group of 3 at rando...

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