The Monty Hall problem is a well known probability puzzle that seems simple, but teaches a good lesson about switching strategies once new information is revealed. For those who don't know, here’s the setup: You’re on a game show. There are three doors. Behind one door is a car (a prize), behind the other two are goats (worthless). You pick a door. Then the host, who knows what’s behind each, opens one of the remaining doors to reveal a goat. Now, you’re given a choice: stick with your origin...