1.

Let A be the event that a family has children of both sexes. If each family has n children and the probability that each child being a boy is 0.5, then

Answer»

`(2)^(1-n)`
`(2)^(n-1)`
`1-(2)^(1-n)`
`1-(2)^(n-1)`

ANSWER :C


Discussion

No Comment Found

Related InterviewSolutions