Originally Posted by

**samtheman**
the math can be hard to wrap your head around, but it is better to switch doors after one is revealed. DLS is right, the mythbusters did an episode on this, and the results clearly support switching doors. When first choosing, you are picking one door from three possible choices. Odds are 1 in 3 that you are choosing correctly. After one door is revealed as a loser, only two choices are left. If you stay with your original guess, it is still 1 in 3 odds that you are right, as that is what it was when the door was originally chosen. If you switch, you are now choosing between two doors, and your odds are 1 in 2 that you will be guessing right. seems counter-intuitive, i know. But the results after repeating the test many times over clearly support this. They also did another test on that episode about human nature, with the participants overwhelmingly staying with their original choice, and most of them losing