The Monty Hall Problem: You're on a game show and given the choice of three doors: Behind one is a car; behind the others, goats. You pick a door, say No. 1, and the host, who knows what's behind the doors, opens another door, say No. 3, revealing a goat. He then asks if you want to switch to door No. 2. Is it to your advantage to switch?
Answer: Yes, sw…