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Mathematics, 11.01.2021 01:00 Kimmie2019
In a class of 30 students, 12 have a brother and 25 have a sister. There are 2 students who do not have any siblings. What is the probability that a student who has a brother also has a sister?
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In a class of 30 students, 12 have a brother and 25 have a sister. There are 2 students who do not h...
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