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Mathematics, 28.07.2019 18:00 6710000831

There are 777 students in a class: 555 boys and 222 girls. if the teacher picks a group of 444 at random, what is the probability that everyone in the group is a boy?

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There are 777 students in a class: 555 boys and 222 girls. if the teacher picks a group of 444 at r...
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