Answer:
9/16
Step-by-step explanation:
Total of 16 combinations:
1:2
1:3
1:4
1:5
2:2
2:3
2:4
2:5
3:2
3:3
3:4
3:5
4:2
4:3
4:4
4:5
Total is 5 or less
2:1
3:1
4:1
I got 9/16
