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Mathematics, 14.07.2019 23:00, svg8
There are 10 students in a class: 3 boys and 7 girls. if the teacher picks a group of 3 at random, what is the probability that everyone in the group is a girl?
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Answers: 2
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There are 10 students in a class: 3 boys and 7 girls. if the teacher picks a group of 3 at random,...
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