Question

The king comes from a family of 2 children. what is the probability

Answer 1

the probability of a child to become a king in a family of two children is 1/2.

Answer 2

There are only 2 choices for king:

⇒ Total number of possible outcome = 2

There can only be 1 king:

⇒ Total number of favourable outcome = 1

P(king) = 1/2

Answer: The probability of one of the them to be a king is 1/2