Best explanation I've seen was using statistics: simulate the problem 1000 times. Look at results when you switch and when you don't switch doors. Or do it in y

Best explanation I've seen was using statistics: simulate the problem 1000 times. Look at results when you switch and when you don't switch doors. Or do it in your head: If I switch doors, I will win with 2 out of 3 doors. Otherwise, I'll win only with one door.