Use the general addition rule to compute the probability that if you roll two six-sided dice.
1. you get doubles or a sum of 4
2. you get doubles or a sum of 7
3. you get a 5 on the first die or you get a 5 on the second die.
2
123
56
6
7
23
4
J
4
4
5
5678
345678
4
5
6 7
8
9
567
8 9
10
11
10
67
6 9
10
11
12