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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There are 9 students in class ; 5 boys and 4 girls
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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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Another question on Mathematics

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