Mathematics, 02.12.2020 05:10 ri069027
In a class of 25 students, 5 have a brother and 11 have a sister. There are 2 students who have a brother and a sister. What is the probability that a student chosen randomly from the class has a brother and a sister?
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In a class of 25 students, 5 have a brother and 11 have a sister. There are 2 students who have a br...
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