document.write( "Question 981931: A pair of dice is rolled 20 times and the sum is recorded. Find the probability of rolling at least 2 double sixes.
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Algebra.Com's Answer #602829 by Edwin McCravy(20059)\"\" \"About 
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document.write( "There are 36 possible rolls and only one is a double 6, so the\r\n" );
document.write( "probability of one double 6 in 1 roll is 1/36.\r\n" );
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document.write( "on your TI-84 \r\n" );
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document.write( "press 2ND VARS\r\n" );
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document.write( "Scroll down to binomcdf(, press ENTER\r\n" );
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document.write( "         trials:20\r\n" );
document.write( "         p:1/36\r\n" );
document.write( "         x value:1\r\n" );
document.write( "         Paste \r\n" );
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document.write( "Press ENTER\r\n" );
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document.write( "binomcdf(20,1/36,1)\r\n" );
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document.write( "Press ENTER\r\n" );
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document.write( "See .8945518471\r\n" );
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document.write( "That's the probability of getting either no double 6's or just\r\n" );
document.write( "1 double 6.  So we must subtract that from 1. So \r\n" );
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document.write( "Press 1, -, 2ND (-)  \r\n" );
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document.write( "See 1-Ans\r\n" );
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document.write( "Press ENTER\r\n" );
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document.write( ".1054481529\r\n" );
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document.write( "Edwin
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