Mathematics, 25.07.2019 03:00, eshavaggar

In a class 22 of students, 14 have a brother and 9 have a sister. there are 2 students who do not have any siblings. what is the probability that a student chosen randomly from the class has a sibling?

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In a class 22 of students, 14 have a brother and 9 have a sister. there are 2 students who do not ha...

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