How about a poll for this (but dont answer if you already know the correct solution)
Suppose you're on a game show, and you're given the choice of three doors: Behind one door is the star prize; behind each of the others, a booby prize. You pick a door, say No. 1, and the host, who knows what's behind the doors, opens another door, say No. 3, which has a booby prize He then says to you, "Do you want to pick door No. 2?" Is it to your advantage to switch, stick or it doesnt matter; your choice?
A) Switch
B) Stick
C) dosen't matter
switch