On 06/12/2007, Ruben J=F6nsson wrote: > > >> 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. > > > > So then the first choice is irrelevant, and it comes down to 50:50 > chance > > that you pick the right one. > > > > No, you always win if you initially pick a goat and then switch doors > (since > the host has to pick the other goat). 2/3 chance of winning. > > /Ruben > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D > Ruben J=F6nsson > AB Liros Electronic > Box 9124, 200 39 Malm=F6, Sweden > TEL INT +46 40142078 > FAX INT +46 40947388 > ruben@pp.sbbs.se > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D Very good point - has clarified the whole mess for me. > Thanks, > Richard > > > > -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist