Well, practically speaking, we don't know that for sure that the car is not behind door 4 just because the host made it an option...i mean he could simply be toying with your mind..i think most people would think that given the fact that he opened the door after "I" made my choice that the car...
Hello all,
I stumbled upon a basic probability type question from the movie 21 and was hoping someone could provide me with an explanation. The question is as follows:
If i have 3 doors and behind one of the doors is a car and behind the other 2 doors is nothing and i have to choose one...