1.

ProbabilityA person has 3 children with at least oneboy. Find the probability of having at least 2 boys amongthe children.​

Answer»

Answer:

We are TOLD that the father has atleast one BOY. Therefore the possible scenarios for the genders of the 3 CHILDREN are:

3 boys,

2 boys and 1 girl

1 boy and 2 girls.

The probability for all these 3 scenarios is the same i.e. 1/3.

Therefore the probability that the father has 2 boys and one girl is 1/3



Discussion

No Comment Found

Related InterviewSolutions