Mathematics, 02.12.2021 23:00, kayli53531

In a class of 26 students, 17 have a brother and 12 have a sister. There are 5 students who do not have any siblings. What is the probability that a student has a brother given that they have a sister?

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In a class of 26 students, 17 have a brother and 12 have a sister. There are 5 students who do not h...