Mathematics, 07.01.2021 18:10 alyssakerr17

In a class of 25 students, 17 have a brother and 12 have a sister. There are 10 students who have a brother and a sister. What is the probability that a student chosen randomly from the class has a brother?

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In a class of 25 students, 17 have a brother and 12 have a sister. There are 10 students who have a...