I toss two coins and look at the outcome. I then tell you that at least one of the coins is showing up as "tails". What is the chance that the other one is showing "tails" as well?

(from techInterview.org)

(In reply to Question On The Solution by Matt)

You have company in your way of seeing this. I've made the same comment a few times in this thread such as here. Glad you agree.

Posted by Charlie on 2007-10-24 10:11:44