Quote:
Originally posted by Fake Nick
I wouldnt change and thats the end of it 
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ok so you wouldn't change huh?
Let's say the prize is behind door B
On your first guess...you pick door A....
Host opens the door C...he ask you if you want to stay or switch
you STAY with A...you lose (you should've switch)
Let's say it's behind door C
On your first guess, you pick A again...Hosts open door B (knowing it's behind door C) he ask you if you want to stay or switch....
You stay with A, you LOSE....
in BOTH CASE you would've win by switching!
Only time you would win is if it's behind door A (your first pick) sooooo 1/3 of winning by staying... 2/3 of winning by switching!
Repeat the process by assuming you take B as your first pick...same thing will happen! How can you fail to see this!