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HOME > ON THE BOOKSHELF > COMMENTS > Comment Detail

Monty Hall Redux


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The Monty Hall solution is easily expained by a truth table. Name the doors A,B,C with the prize behind C.

Contestant's Monty's Contestant's
1st choice choice 2nd choice
___________ _______ ___________
A B A or C
B A B or C
C A or B C or B or A
__________ ___ ______
Contestant
wins 1 2

If the contestant stays with his first choice, he has 1 chance in 3 to win. If he changes choices he has 2 chances in three to win.

Bob H

posted by Robert Hatch
August 16, 2008

 

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