People seem to be arguing with tilly about this, but this has been my experience too. I have seen this problem published at least a dozen times; I have never seen the assumptions (e.g. that Monty knows what is behind the doors, etc.) stated clearly before.
buckaduck
In reply to Re^4: Marilyn Vos Savant's Monty Hall problem
by buckaduck
in thread Marilyn Vos Savant's Monty Hall problem
by mutated
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