document.write( "Question 208098: On a TV game show, the contestant is asked to select a
\n" ); document.write( "door and then is rewarded with the prize behind the door
\n" ); document.write( "selected. If the doors can be selected with equal probability,
\n" ); document.write( "what is the expected value of the selection if the
\n" ); document.write( "three doors have behind them a $40,000 foreign car, a $3
\n" ); document.write( "silly straw, and a $50 mathematics textbook? \n" ); document.write( "
Algebra.Com's Answer #157462 by stanbon(75887)\"\" \"About 
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If the doors can be selected with equal probability,
\n" ); document.write( "what is the expected value of the selection if the
\n" ); document.write( "three doors have behind them a $40,000 foreign car, a $3
\n" ); document.write( "silly straw, and a $50 mathematics textbook?
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\n" ); document.write( "Random variable values are 40000, 3, and 50
\n" ); document.write( "The probability of each is 1/3
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\n" ); document.write( "Expected value = (1/3)(40000+3 + 50)
\n" ); document.write( "E(x) = (1/3)(40053) = $13,351.00
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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