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Standard XII
Mathematics
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25.Find the p...
Question
25.Find the probability of having al least one boy in a family of 3 children
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Q.
In a family of 3 children, find the probability of having at least one boy.
Q.
Mark the correct alternative in each of the following:
In a family of 3 children, the probability of having at least one boy is
(a)
7
8
(b)
1
8
(c)
5
8
(d)
3
4
[CBSE 2014]
Q.
The probability that in a family of four children, there will be atleast one boy is
Q.
In a family of
4
children
The probability that
there will be atleast one boy is
Q.
A family has two children. What is the probability that both the children are boys given that at least one of them is a boy?
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