document.write( "Question 1192643: Solve the problem and show the solutions\r
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document.write( "1. Pair of dice is rolled. What is the probability that the sum of the numbers rolled is either 7 or 11?
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document.write( "2. A pair of dice is rolled. What is the probability that the sum of the numbers rolled is either an even number or a multiple of 3? \n" );
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Algebra.Com's Answer #824536 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 1. Pair of dice is rolled. What is the probability that the sum of the numbers rolled is either 7 or 11?\r \n" ); document.write( "\n" ); document.write( "---------------- \n" ); document.write( "The possible sums are 2 to 12 inclusive ---> 11 possibilities. \n" ); document.write( "Label the dice A and B: \n" ); document.write( "For a sum of 7: \n" ); document.write( " \r\n" ); document.write( "A B\r\n" ); document.write( "1 6\r\n" ); document.write( "2 5\r\n" ); document.write( "3 4\r\n" ); document.write( "4 3\r\n" ); document.write( "5 2\r\n" ); document.write( "6 1\r\n" ); document.write( " \n" ); document.write( "6 of 11 ---> 6/11 \n" ); document.write( "For a sum of 11:\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "A B\r\n" ); document.write( "5 6\r\n" ); document.write( "6 5\r\n" ); document.write( " \n" ); document.write( "2 possibilities ---> 2/11 \n" ); document.write( "7 or 11 ---> 8/11 \n" ); document.write( "==================================== \n" ); document.write( "2. A pair of dice is rolled. What is the probability that the sum of the numbers rolled is either an even number or a multiple of 3? \n" ); document.write( "-------- \n" ); document.write( "Use the same method to find a sum of 2, 4, 6, 8, 10 or 12, or 3, 6, 9 or 12. \n" ); document.write( "Note that 6 & 12 are even and a multiple of 3, \n" ); document.write( "so the sums to find are 2, 3, 4, 6, 8, 9, 10 or 12. \n" ); document.write( "===================== \n" ); document.write( "Ikleyn didn't show where I am wrong.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |