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Mathematics, 20.04.2020 01:47 wilkvictor07

In a class 30 of students, 14 have a brother and 13 have a sister. There are 14 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 30 of students, 14 have a brother and 13 have a sister. There are 14 students who do not...
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