Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. You pick a door, say No. 1 [but the door is not opened], and the host, who knows what's behind the doors, opens another door, say No. 3, which has a goat. He then says to you, "Do you want to pick door No. 2?" Is it to your advantage to switch your choice?
Monty Hall | Monte Halperin, OC, OM (born August 25, 1921), better known by the stage name Monty Hall, is a Canadian-born MC, producer, actor, singer and sportscaster, best known as host of the television game show Let's Make a Deal.
The Monty Hall Problem How you play this game determines your chances of winning, but you may be surprised to learn what the best strategy is. This math puzzle is named after Monty Hall, the host of an American television game show called Let’s Make a Deal, which was on during the 1960s and 1970s.