Recently married, a young couple plans to continue having children until they have their first girl. a) what is the couple expected family size.

Recently married, a young couple plans to continue having children until they have their first girl.

a) what is the couple expected family size. Assume that the probability of having a girl is 1/2 and the outcome of each birth is an independent random event.

b) what is the probability that they have two boys before they have the girl?

Ans :−¿Given that arecent married couple plans ¿ continue having children until they have their first girlLet X be the random variable denote as first girl Birth child after x boys child...