Monty Hall Problem
Version 1.0.0 · Updated 2026-07-28
CORE DEFINITION
The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal and named after its original host, Monty Hall. The problem was originally posed in a letter by Steve Selvin to the American Statistician in 1975. It became famous as a question from reader Craig F. Whitaker's letter quoted in (and solved by) Marilyn
SCAFFOLDING EFFECT
Reduce cognitive load
The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal and named after its original host, Monty Hall. The
Anchor fast decisions
In the Monty Hall problem, after the host (who knows the prize locations) opens a door without the prize, the probability of winning by switching increases from 1/3 to 2/3. This is because the initial 2/3 probability of having chosen incorrectly is transferred to the remaining unopened door.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Monty_Hall_problemverified
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