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Mathematics, 22.04.2020 02:25 biennhan9796

In a class of
8
88, there are
3
33 students who have done their homework.
If the teacher chooses
2
22 students, what is the probability that both of them have done their homework?

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Answers: 2

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You know the right answer?
In a class of
8
88, there are
3
33 students who have done their homework.<...

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