In an experiment a six-sided die is rolled a number of times. The results are shown below.
Number Rolled Number of Times Rolled
1 4
2 8
3 4
4 7
5 6
6 8
Based on these results, what is the experimental probability of rolling either a 4 or 5?
A.
13/33
B.
7/37
C.
13/29
D.
13/37