document.write( "Question 748711: Can you please help me with this question?
\n" );
document.write( "Two dice are rolled. What is the probability the sum of the two dice will be a prime number? \n" );
document.write( "
Algebra.Com's Answer #510271 by JeeJa(1)![]() ![]() You can put this solution on YOUR website! prime nos are= 2, 3, 5, 7, 11\r \n" ); document.write( "\n" ); document.write( "now, \n" ); document.write( "sum=2 {(1,1)} \n" ); document.write( "sum=3 {(1,2) (2,1)} \n" ); document.write( "sum=5 {(1,4) (4,1) (2,3) (3,2)} \n" ); document.write( "sum=7 {(1,6) (6,1) (2,5) (5,2) (3,4) (4,3)} \n" ); document.write( "sum=11 {(5,6) (6,5)} \n" ); document.write( "total=15\r \n" ); document.write( "\n" ); document.write( "the no.of possible outcomes is 6*6=36\r \n" ); document.write( "\n" ); document.write( "p(sum=prime no)= 15/36 \n" ); document.write( "therefore answer is 5/12 \n" ); document.write( " \n" ); document.write( " |