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July 1, 2015

Homework Help: Math

Posted by B.B. on Monday, August 10, 2009 at 10:17am.

On a TV game show, the contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability, what is the expected value of the selection if the three doors have behind them a $40,000 foreign car, a $3 silly straw, and a $50 mathematics textbook?
Answer: 1/3 but I don't think that this correct.
Could someone please help me with this problem?
Thanks.

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