document.write( "Question 1157441: If 3 regular six-sided dice are rolled, compute the probability of rolling a sum
\n" );
document.write( "that is prime and less than 11. \n" );
document.write( "
Algebra.Com's Answer #780338 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Prime numbers less than 11 that can be the sum of the numbers on three dice: 3, 5, and 7. \n" ); document.write( "3: 1,1,1 1 way \n" ); document.write( "5: 1,1,3 3 ways \n" ); document.write( "5: 1,2,2 3 ways \n" ); document.write( "7: 1,1,5 3 ways \n" ); document.write( "7: 1,2,4 6 ways \n" ); document.write( "7: 1,3,3 3 ways \n" ); document.write( "7: 2,2,3 3 ways \n" ); document.write( "Total: 22 ways \n" ); document.write( "There are 6*6*6=216 different possible outcomes for the three dice; the desired probability is 22/216. \n" ); document.write( "Simplify the fraction or convert to decimal if required. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |