Monty Hall Simulator

Simulate the Monty Hall problem and compare stay vs switch win rates.

Result

Simulated 10,000 games:

Stay strategy:   3,314 wins  (33.1%)
Switch strategy: 6,686 wins  (66.9%)

Switching wins about 2/3 of the time — the classic counter-intuitive result.

About this tool

Simulate the Monty Hall problem and compare stay vs switch win rates.