The Monty Hall Problem

Step 1: The Letter

Three doors, one car, two goats. In 1990 Marilyn vos Savant said you should switch, and ten thousand angry letters said she was wrong. Play the game, run the numbers, and see why she was right.

1. The Letter
2. Play the Game
3. Why Switching Wins
4. The Backlash
5. Run the Numbers
6. The Fine Print