Uploaded February 2022 | Updated September 2026, 3 weeks ago

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Monty Hall problem explained. Visit brilliant.org/Newsthink to start learning STEM for FREE, and the first 200 people will get 20% off their annual premium subscription.

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Marilyn vos Savant photo courtesy of: Ethan Hill

Sources:
6:29 Washington University in St. Louis photo Doc2129, CC BY-SA 4.0 creativecommons.org/licenses/by-sa/4.0 via Wikimedia Commons