There are two children in a family At least one is a boy bor

There are two children in a family. At least one is a boy born on a Wednesday. Assume a uniform distribution of births on each of the 7 days of the week: 1/7th each day from Sunday through 1/7th on Saturday, and 50% boys and 50% girls in the general population.

What is the probability the other child is a boy?

Solution

child birth is a independent event
so it would not depend on other event.
ans is 1