document.write( "Question 208632: two dice are thrown, the probability that the number on the red exceeds the number showing on the green by exactly two is \r
\n" ); document.write( "\n" ); document.write( "a) 1/18 b) 1/4 c) 1/9 d)1/36 e) 1/24 \n" ); document.write( "

Algebra.Com's Answer #157798 by Edwin McCravy(20055) $\"\"$ $\"About$

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Two dice are thrown, the probability that the number on the red exceeds the number showing on the green by exactly two is
\n" ); document.write( "a) 1/18 b) 1/4 c) 1/9 d)1/36 e) 1/24\r
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document.write( "Here are all the possible rolls with a \r\n" );
document.write( "red die and a green die:\r\n" );
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document.write( "(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)\r\n" );
document.write( " \r\n" );
document.write( "(2,1) (2,2) (2,3) (2,4) (2,5) (2,6) \r\n" );
document.write( "\r\n" );
document.write( "(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)\r\n" );
document.write( " \r\n" );
document.write( "(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)\r\n" );
document.write( " \r\n" );
document.write( "(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)\r\n" );
document.write( " \r\n" );
document.write( "(6,1) (6,2) (6,3) (6,4) (6,5) (6,6) \r\n" );
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document.write( "There are 36 possible rolls.  Now I \r\n" );
document.write( "will underline just those in which \r\n" );
document.write( "the number on the red exceeds the \r\n" );
document.write( "number showing on the green by exactly \r\n" );
document.write( "two:\r\n" );
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document.write( "(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)\r\n" );
document.write( " \r\n" );
document.write( "(2,1) (2,2) (2,3) (2,4) (2,5) (2,6) \r\n" );
document.write( "\r\n" );
document.write( "(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)\r\n" );
document.write( " \r\n" );
document.write( "(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)\r\n" );
document.write( " \r\n" );
document.write( "(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)\r\n" );
document.write( " \r\n" );
document.write( "(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)\r\n" );
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document.write( "There are 36 possible rolls.  So \r\n" );
document.write( "there are 4 possible rolls out of\r\n" );
document.write( "the 36 which have that property.\r\n" );
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document.write( "Therefore the probability is  \r\n" );
document.write( "which reduces to \r\n" );
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document.write( "Edwin

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