Mathematics, 28.03.2021 02:50, microwave13016
In a class of 28 students, 21 have a brother and 9 have a sister. There are 7 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?
Answers: 1
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In a class of 28 students, 21 have a brother and 9 have a sister. There are 7 students
who have a b...
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