document.write( "Question 942792: A dice is thrown three times and the sum of three numbers thrown is 15. Find the probability that the number on the first throw is 4. \n" ); document.write( "
Algebra.Com's Answer #575365 by Edwin McCravy(20064)\"\" \"About 
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document.write( "The sample space consists of these 10 possible rolls:\r\n" );
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document.write( "(1st roll) + (2nd roll) + (3rd roll) = 15\r\n" );
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document.write( "3+6+6 = 15\r\n" );
document.write( "4+5+6 = 15\r\n" );
document.write( "4+6+5 = 15\r\n" );
document.write( "5+4+6 = 15\r\n" );
document.write( "5+5+5 = 15\r\n" );
document.write( "5+6+4 = 15\r\n" );
document.write( "6+3+6 = 15\r\n" );
document.write( "6+4+5 = 15\r\n" );
document.write( "6+5+4 = 15\r\n" );
document.write( "6+6+3 = 15\r\n" );
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document.write( "2 of those 10 have 4 on the first roll.\r\n" );
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document.write( "Answer: 2 out of 10 or \"2%2F10\" which reduces to \"1%2F5\".\r\n" );
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document.write( "Edwin
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