 Hall understood the problem, giving the reporter a demonstration with car keys and explaining how actual game play on "Let's Make a Deal" differed from the rules of the puzzle.In the article, Hall pointed out that because he had control over the way the game progressed, playing on the psychology of the contestant, the theoretical solution did not apply to the show's actual gameplay.He said he was not surprised at the experts' insistence that the probability was 1 out of 2.