Home
Class 12
MATHS
A family has 2 children. Find the probab...

A family has 2 children. Find the probability that both are boys, if it is known that: (i) at least one of the children is a boy, (ii) the elder child is a boy.

Text Solution

Verified by Experts

The correct Answer is:
(a) (i) `(1)/(3)` (ii) `(1)/(2)` (b) `(1)/(3)`.
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE 13 (b) (SATQ)|8 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE 13 (b) (LATQ)|19 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE 13 (a) (SATQ)|5 Videos

  • MATRICES

    MODERN PUBLICATION|Exercise CHAPTER TEST (3)|12 Videos

  • RELATIONS AND FUNCTIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (1)|12 Videos

Similar Questions

Explore conceptually related problems

A couple has two childen . Find the probability that both are boys ,if it is known that one of the children is a boy .

A family has 2 children.The probability that both of them are boys if it is known that one of them is a boy

There are two children in a family. Find the probability that both boys if it is known that: (i) one of the children is a boy (ii) Older child is a by

A couple has 2 children.find the probability that the both are boys if it is given that ( i ) one of the child is boy (ii) the older child is boy.

A couple has two childen . find the probability that both are boys ., if it is known that the older child is a boy .

A family has 2 children. Find the probability that both are boys, if it is known that: (i) at least one of the children is a boy,            (ii) the elder child is a boy.

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.

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

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?