The Monty Hall Problem
A counterintuitive probability puzzle that will challenge your assumptions!
Game Setup
Choose how many doors you want to play with. The classic Monty Hall problem uses 3 doors, but you can experiment with more to see how the probability changes!
3
3 doors (Classic)100 doors
The Classic Problem:
You're on a game show. There are three doors. Behind one door is a prize (a car!). Behind the other two are goats.
You pick a door. The host, who knows what's behind each door, opens one of the other doors to reveal a goat. Now you have a choice:
Do you stay with your original choice, or switch to the other unopened door?
Most people think it doesn't matter. They're wrong! Let's find out why...