Question

If you roll two number cubes, what is the probability of their sum being seven or higher?

7/12 5/12 7/5 5/7

Answer 1

your possible results:

1+1=2
1+2=3
1+3=4
1+4=5
1+5=6
1+6=7
2+1=3
2+2=4
2+3=5
2+4=6
2+5=7
2+6=8
3+1=4
3+2=5
3+3=6
3+4=7
3+5=8
3+6=9
4+1=5
4+2=6
4+3=7
4+4=8
4+5=9
4+6=10
5+1=6
5+2=7
5+3=8
5+4=9
5+5=10
5+6=11
6+1=7
6+2=8
6+3=9
6+4=10
6+5=11
6+6=12

Answer 2

these are 36 (6^2) possible outcomes, now only count how many of them are greater or equal to 7

Answer 3

sooo 7/12?

Answer 4

exactly

Answer 5

21/36