document.write( "Question 249423: If casino Keno were fair, how much should it pay to a player who bets $10 to bet 6 numbers and matches 5 numbers? The odds against matching 5 numbers when you bet 6 numbers in casino Keno are about 322 to 1.
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Algebra.Com's Answer #181668 by stanbon(75887)\"\" \"About 
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If casino Keno were fair, how much should it pay to a player who bets $10 to bet 6 numbers and matches 5 numbers?
\n" ); document.write( "The odds against matching 5 numbers when you bet 6 numbers in casino Keno are about 322 to 1.
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\n" ); document.write( "P(for) = 1/323
\n" ); document.write( "P(against) = 322/323
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\n" ); document.write( "Random Number values: -10, x-10
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\n" ); document.write( "For a fair game, expected value is zero.
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\n" ); document.write( "Let \"x\" be the payoff.
\n" ); document.write( "-10(322/323) + (x-10)(1/323) = 0
\n" ); document.write( "Multiply thru by 323 to get:
\n" ); document.write( "-3230 + x-10 = 0
\n" ); document.write( "x = $3240
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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