document.write( "Question 300311: In playing the game of craps getting a sum of 7 or 11 when two dice are rolled results in an immediate win. What is the probabilty of getting an immediate win? \n" ); document.write( "
Algebra.Com's Answer #215557 by Fombitz(32388) You can put this solution on YOUR website! Each die has 1-6 on the face. \n" ); document.write( "List all of the possible rolls (36 total) and the sume of the die faces. \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( ". \n" ); document.write( ". \n" ); document.write( ". \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 \n" ); document.write( "EXCEL works great for this task. \n" ); document.write( "Now count the number of 7 sums and the number of 11 sums. \n" ); document.write( "There are six 7 sums (1-6,2-5,3-4,4-3,5-2,6-1) and two 11 sums (5-6,6-5). \n" ); document.write( "That's a total of 8 outcomes out of a possible 36. \n" ); document.write( "P(immediate win)=8/36=2/9 \n" ); document.write( " |