> for this column). I remember one of her answers, which
> enraged some math
> professors, to a question involving Let's Make a Deal, in
> which she answered
> that some conditions of what is behind the door you pick and
> when Monty Hall
> asks you if you would like to choose another door, the
> chances of having
> chosen the grand prize was one in two, not one in three. Some

That was the (in)famous "As the final contestant on Let's Make A Deal, you
have selected your door. Monty opens one of the other doors to show you that
it does not hide the day's Big Deal. He then offers to let you switch to the
other unopened door. Should you switch?"

The answer is








































You should switch, because it doubles your chance of getting the Big Deal.


Steve Dirickson   WestWin Consulting
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