Monty Hall Simulator / Monty Hall Problem

About This Tool

Experience the famous probability puzzle, the Monty Hall problem, through manual play and automatic simulations.
Supports the N-door variant (3–10). No network requests are made.
New to the Monty Hall problem? →Related article: Monty Hall problem explained

Settings

Number of doors 3–10 Number of auto trials

Strategy for auto trials Always switch Stay Random

Manual Play

Press "Play once (manual)" to get started.

Results (Statistics)

Stay

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Switch

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Random

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