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A couple has two children, (i) Find t...

A couple has two children,
(i) Find the probability that both children are males, if it is known that at least one of the children is male.
(ii) Find the probability that both children are females, if it is known that the elder child is a female.

Text Solution

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The correct Answer is:
`(1)/(3)`
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Knowledge Check

  • In a family having two children if one of the child is a girl, then the probability that other is also a girl is ………..

    A
    `(1)/(2)`
    B
    `(1)/(4)`
    C
    `(1)/(3)`
    D
    `(3)/(4)`

  • Assume that in a family, each child is equally likely to be a boy or a girl. A family with three children is chosen at random. The probability that the eldest child is a girl given that the family has atleast one girl is ………..

    A
    `(1)/(2)`
    B
    `(1)/(3)`
    C
    `(2)/(3)`
    D
    `(4)/(7)`

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