Mathematics, 24.08.2019 15:20 kira96

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

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