Maria rolls a pair of dice. what is the probability that the numbers sum 7

How many sums of 7 are there with 2 dice?
4+3=7
3+4=7
6+1=7
1+6=7
5+2=7
2+5=7
There are 36 possibilities total so:
6 which is how many times 7 can happen-6/36 (fraction)  simplified= 1/6
Your probability is 1/6

Logical equivalent of the give question is its contrapositive

Cwill be your correct answer