Mathematics
Mathematics, 16.04.2021 03:10, doll1234

There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 3 random, what is the probability that everyone in the group is a girl?

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There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 3 random, what...

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