What is the probability of getting the sum of 7 on two die on the first roll?
A toss of two dice have 6*6=36 possible outcomes.
The 6 favourable outcomes with a sum of 7 are:
1+6,2+5,3+4,4+3,5+2 and 6+1.
P(7)=number of favourable outcomes / number of possible outcomes.
=6/36