document.write( "Question 1165788: The current Powerball jackpot is estimated to be $193 million. The Powerball lottery is decided every Wednesday and Saturday night by drawing five white balls out of a drum with 69 balls and one red ball out of a drum with 26 red balls. The Powerball jackpot is won by matching all five white balls in any order and the red Powerball. Each ticket costs $2.
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Algebra.Com's Answer #851805 by ikleyn(52814) $\"\"$ $\"About$

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\n" ); document.write( "The current Powerball jackpot is estimated to be $193 million.
\n" ); document.write( "The Powerball lottery is decided every Wednesday and Saturday night by drawing five white balls
\n" ); document.write( "out of a drum with 69 balls and one red ball out of a drum with 26 red balls.
\n" ); document.write( "The Powerball jackpot is won by matching all five white balls in any order and the red Powerball.
\n" ); document.write( "Each ticket costs $2. What is the expected value for purchasing one ticket for the jackpot?
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document.write( "The total number of all possible quintuples of integer numbers from 1 to 69, with no repeating, is\r\n" );
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document.write( "     =  = 8259888\r\n" );
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document.write( "(the number of combinations).\r\n" );
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document.write( "So, the probability to get the winning ticket is\r\n" );
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document.write( "    P = .\r\n" );
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document.write( "Thus the expected value of this lottery for purchasing one ticket is\r\n" );
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document.write( "     = -1.101310221  dollars.\r\n" );
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