Rachel's just finished Mark Haddon's The Curious Incident of the Dog in the Night-time. There is an interesting puzzle that goes like this:
You are playing a game. In the game, there are three doors with prizes hidden behind them. One door hides a new car while the other two doors hide goats. If you pick the door with the car behind it, you win the car.You pick a door. At this point the game host opens another of the doors, revealing a goat. Now the game host offers you the opportunity to change your pick to the other door.
Should you switch?
Answer here.
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