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MediumLateral thinking
#32 · Puzzles · Probability surprise

The Monty Hall problem

Behind one of three doors is a car; behind the others, goats. You pick a door. The host — who knows what's behind each — opens a different door to reveal a goat, then offers to let you switch. Should you switch, and what is your probability of winning if you do?

~10 minWritten answer · compare with the solutionConditional probabilityCounting cases
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