For those who like these sorts of problems, I find this to be another tough one to wrap your head around: http://en.wikipedia.org/wiki/Boy_or_Girl_paradox http

For those who like these sorts of problems, I find this to be another tough one to wrap your head around: http://en.wikipedia.org/wiki/Boy_or_Girl_paradox http://en.wikipedia.org/wiki/Boy_or_Girl_paradox