Marilyn Solution Number One
Letís say that instead of three doors there are one million. You pick a door at random since all the doors are identical and
there is no indication that any of them differ from any of the others. So you pick door number one. Monty then begins to
open doors one at a time, asking you along the way if you want to stick or if you want to switch. You are obstinate and
you stick with door number one. Eventually there are two doors left: your original pick and door 777,777.
Doesnít it seem pretty obvious that it is better to switch at this point? Your original pick had a one in a million chance of
being correct. Youíd have to be pretty darn lucky to pick the winning door at the very beginning of this scenario. To make
this argument more convincing, instead of one million doors make it one billion. Still not convinced? Try a trillion.
However, this solution did not convince people and letters of derision poured in. Some were pretty nasty.