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In a class of 25 students, 20 have a brother and 8 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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4 votes
In a class of 25 students, 20 have a brother and 8 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?

User DuckPyjamas
by
6.1k points

1 Answer

4 votes

Answer: 6/8 or 3/4 or 0.75

Explanation:

User Piotr Wittchen
by
5.0k points
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