There are 10 students in a class: 7 boys and 3 girls.
If the teacher picks a group of 4 at ran...
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Mathematics, 05.05.2020 23:38 ptrlvn01
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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Answers: 1
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