Mathematics, 26.03.2020 02:06 mimithurmond03

In a class of 21 students, 8 have a brother and 16 have a sister. there are 3 students who do not have any siblings. what is the probability that a student who has a sister also has a brother

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In a class of 21 students, 8 have a brother and 16 have a sister. there are 3 students who do not ha...

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