The Monty Hall problem is a puzzle in probability that is loosely
based on the American game show Let's Make a Deal. The name comes from
the show's host Monty Hall. In this puzzle a player is shown three
closed doors; behind one is a car, and behind each of the other two is
a goat. The player is allowed to open one door, and will win whatever
is behind the door. However, after the player selects a door but
before opening it, the game host opens another door revealing a goat.
The host then offers the player an option to switch to the other
closed door. Does switching improve the player's chance of winning the
car? The answer is yes — switching results in a 2/3 chance of winning
the car. The problem is also called the Monty Hall paradox, in the
sense that the solution is counterintuitive, although the problem is
not a logical self-contradiction.
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Today's selected anniversaries:
Fox Film Corporation bought the patents of the Movietone sound system
for recording sound onto film.
Farouk of Egypt abdicated after a coup d'état.
Telstar relayed the first live transatlantic television signal.
The 12th Street Riot began in the predominantly African American inner
city area of Detroit, Michigan.
Air Canada flight 143, the "Gimli Glider", crash-landed in Gimli,
Manitoba without loss of life.
Wikiquote of the day:
"The private detective of fiction is a fantastic creation who acts and
speaks like a real man. He can be completely realistic in every sense
but one, that one sense being that in life as we know it such a man
would not be a private detective." -- Raymond Chandler