Mathematics, 12.01.2021 23:50 sand1g67

Probability with permutations and combinations There are 10 students in a class: 7 boys and 3 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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Probability with permutations and combinations There are 10 students in a class: 7 boys and 3 girls...