[dba-Tech] The Three Doors Problem

Stick with your original choice.  By revealing "y" as a dead catfish, your
odds just improved from one out of 3 to one out of 2.

Don B.

----- Original Message ----- 
From: "Arthur Fuller" <artful at rogers.com>
To: "'Discussion of Hardware and Software issues'"
<dba-tech at databaseadvisors.com>
Sent: Thursday, August 25, 2005 5:04 PM
Subject: [dba-Tech] The Three Doors Problem


> I am the host of a TV program and you are the guest. This is the deal:
there
> are 3 doors. Behind one of them is $100 million. Behind the other two are
a
> dead catfish and a dead pickerel respectively. I invite you to select a
> door. You choose any one of the three: call it x I open another door, and
> say, Had you selected door y, you would have won a dead catfish. Now,
would
> you like to stick with your original choice or switch to the other door?
> Does it matter? If not, why not? If so, why so?
> There is a clear answer to this problem. Who is going to be the first to
> come up with it?
> Arthur
>
>
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