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30-06-2018
Mathematics

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There are 7 students 2 boys 5 girls if the teacher picks a group of 3 at random what is the probability that everyonw in th group is a girl

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Аноним Аноним

30-06-2018

That would be 5/7 * 4/6 * 3/5 = 60/210 = 2/7 Answer

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