There are 9 students in class ; 5 boys and 4 girls
if the teacher picks a group of 4 at rando...
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Mathematics, 11.01.2020 05:31, asdf334asdf334
There are 9 students in class ; 5 boys and 4 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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