document.write( "Question 625236: Your debit card pin number contains 5 digits: 2 sixes, 2 threes and ends in a 5. What is the probability that you fail to guess the pin correctly (in other words you get it wrong three times). \n" ); document.write( "

Algebra.Com's Answer #393390 by Edwin McCravy(20086) $\"\"$ $\"About$

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document.write( "There are 6 possibilities\r\n" );
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document.write( "{33665, 36365, 36635, 63365, 63635, 66335}\r\n" );
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document.write( "We will assume you will not try the same number twice.\r\n" );
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document.write( "We use the principle that \"AND corresponds to MULTIPLICATION\":\r\n" );
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document.write( "The probability of\r\n" );
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document.write( " = P×P×P = ×× = \r\n" );
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document.write( "Edwin

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