document.write( "Question 701848: A carnival game allows the player to randomly pick a marble from a bag. in the bag there are 25 white, 20 blue, 10 green and 5 black marbles. prizes are given as follows: blue earns a small prize, green earns a medium prize and black earns a large prize. white earns nothing.\r
\n" ); document.write( "\n" ); document.write( "A) if you purchase one chance, what is the probability of winning something? \n" ); document.write( "

Algebra.Com's Answer #432612 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "P(winning something) = 1 - P(winning nothing) = P(drawing a white marble)\r\n" );
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document.write( "There are 25 white marbles\r\n" );
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document.write( "and 25+20+10+5 = 60 marbles.\r\n" );
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document.write( "The probability of drawing a white marble is\r\n" );
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document.write( "25 ways out of 60 ways. In probability theory,\r\n" );
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document.write( "\"out of\" means \"over\", so the probability of\r\n" );
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document.write( "drawing a white mable is 25 over 60 or \r\n" );
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document.write( "and that reduces to \r\n" );
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document.write( "So \r\n" );
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document.write( "P(winning something) = 1 - P(winning nothing) = \r\n" );
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document.write( "1 - P(drawing a white marble) = 1 -  =  -  = .\r\n" );
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document.write( "So you'll average winning something 7/12ths of the \r\n" );
document.write( "times you purchase just one chance.  You'll win something \r\n" );
document.write( "7 times out of every 12 times you purchase just one chance.\r\n" );
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document.write( "Edwin

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