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andreev551 [17]

3 years ago

14

In a class 30 of students, 22 have a brother and 25 have a sister. There are 2 students who do not have any siblings. What is th

e probability that a student chosen randomly from the class does not have a sister?

1 answer:

nignag [31]3 years ago

6 0

Answer:

n(P) = n(S) divide n(s)

= 2divide 30

=1/15Ans

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