Mathematics, 06.05.2020 04:40, okasiafolk27
In a class 21 of students, 5 have a brother and 14 have a sister. There are 3 students who have a brother and a sister. What is the probability that a student has a sister given that they do not have a brother?
Answers: 1
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In a class 21 of students, 5 have a brother and 14 have a sister. There are 3 students who have a br...
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