[quote name=\'Chuck Sutton\' post=\'129287\' date=\'Aug 27 2006, 09:07 AM\']
Just got a chance to watch the recording. I realized the "grocery" deal was "The Monty Hall problem"
She was playing for a car valued $5100 and change. She had 5 products and had to pick the one valued 59c. After she picks, Monty then eliminates 3 wrong choices, leaving two choices. He offers her the chance to "call off the deal" basically "switch" first for furniture valued $1700. He then offers her the furniture + 300. . 500. . .1000.
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If I remember the grocery deal, that was NOT the Monty Hall Problem. He didn't offer her a chance to switch to a different product, he offered her a chance to bail out entirely, which he almost always offers anyone in her postition. The theorum states if he exposed a bunch of the wrong groceries, doors, whatever, your odds are better if you switch to the one that isn't revealed. Monty never offered anyone this opportunity. That's why (or another reason why) Monty often says the theorum doesn't apply to him.