Electronic/World Wide Web>Internet Article: Tierney, John (April 8, 2008), And Behind Door No. 1, a Fatal Flaw, New York Times, Retrieved on 2013-04-08Source Material [www.nytimes.com]
Folksonomies: games mathematics cognitive dissonance Memes
08 APR 2013
The Monty Hall Problem
Here’s how Monty’s deal works, in the math problem, anyway. (On the real show it was a bit messier.) He shows you three closed doors, with a car behind one and a goat behind each of the others. If you open the one with the car, you win it. You start by picking a door, but before it’s opened Monty will always open another door to reveal a goat. Then he’ll let you open either remaining door.
Suppose you start by picking Door 1, and Monty opens Door 3 to reveal a goat. Now what should y...
1 
You should always switch doors because you had a 1 in 3 chance of getting the right one the first time, and a 1 in 2 chance if you switch.
