Monty Hall
On a game show there are 3 doors; one hides a car. You pick door 1. The host, who knows what's behind the doors, opens door 3 to reveal a goat, then offers you the chance to switch to door 2. What should you do?
Show hints (2)+
- What is the probability your first choice was right, before any door opened?
- The host's choice is not random — he never opens the car.
Answer
Reveal answer →Final answer
Switch to door 2
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Asked at: Jane Street, Citadel