document.write( "Question 831858: Roz and Simon each throw a fair dice.
\n" ); document.write( "Calculate the probability that the sum of the two numbers obtained is 4 \n" ); document.write( "
Algebra.Com's Answer #501686 by Fombitz(32388)\"\" \"About 
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Looking at the possible rolls and sums(36 in total),
\n" ); document.write( "1 1 2
\n" ); document.write( "1 2 3
\n" ); document.write( "1 3 4
\n" ); document.write( "1 4 5
\n" ); document.write( "1 5 6
\n" ); document.write( "1 6 7
\n" ); document.write( "2 1 3
\n" ); document.write( "2 2 4
\n" ); document.write( "2 3 5
\n" ); document.write( "2 4 6
\n" ); document.write( "2 5 7
\n" ); document.write( "2 6 8
\n" ); document.write( "3 1 4
\n" ); document.write( "3 2 5
\n" ); document.write( "3 3 6
\n" ); document.write( "3 4 7
\n" ); document.write( "3 5 8
\n" ); document.write( "3 6 9
\n" ); document.write( "4 1 5
\n" ); document.write( "4 2 6
\n" ); document.write( "4 3 7
\n" ); document.write( "4 4 8
\n" ); document.write( "4 5 9
\n" ); document.write( "4 6 10
\n" ); document.write( "5 1 6
\n" ); document.write( "5 2 7
\n" ); document.write( "5 3 8
\n" ); document.write( "5 4 9
\n" ); document.write( "5 5 10
\n" ); document.write( "5 6 11
\n" ); document.write( "6 1 7
\n" ); document.write( "6 2 8
\n" ); document.write( "6 3 9
\n" ); document.write( "6 4 10
\n" ); document.write( "6 5 11
\n" ); document.write( "6 6 12
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\n" ); document.write( "Only three of them sum to 4 (1 3, 2 2, 3 1), so then the probability
\n" ); document.write( "P(sum=4)=\"3%2F36=1%2F12\"
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