> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Alan B. Pearce
> Sent: 05 December 2007 13:23
> To: Microcontroller discussion list - Public.
> Subject: Re: [OT] The Monty Hall problem
> 
> >The host does not act the same. That's where the probability shift
> occurs.
> >
> >The host knows where the car is. So he will never reveal the car.
That
> >means that his behavior changes depending on if the car is selected
> >initially or not.
> 
> Is that really correct? Surely the host always picks a known non-prize
> door,
> and gives the contestant a second choice, whether or not they picked
the
> correct one?

That's my understanding as well, the hosts behaviour is always the same.
After the contestant selects a door, the host will always open one of
the other doors with a goat behind it.  The behaviour is the same
whether or not the contestant picked the car on his first choice.

Regards

Mike

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