The Monty Hall problem is a probability puzzle named after Monty Hall, the original host of the TV show Let’s Make a Deal. It’s a famous paradox that has a solution that is so absurd, most people refuse to believe it’s true. The program simulates this problem over and over again. After door 3 is opened, you'll think you have two doors to choose from... both with the same probabilities. However, it is very likely that you will learn to change.
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Who switched doors won about 2/3 of the time
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Those who didn't trade winning about 1/3 of the time
This fact was verified with a simulation.