In one nation, having a daughter is traditionally prefferable to having a son. Therefore, a couple will continue to have children until a daughter is born. Once they have a daughter, they will stop. (Assume that it is possible for a couple to have an unlimited number of children)

If the chance of a boy or a girl being born is equal, what would be the ratio boys to girls in this country?

the surprising, statistically sound answer is - one half. The argument is meaningless, but it requires something about 1=1/2+1/4+1/8+...

Posted by theBal on 2002-05-06 17:42:41