Question

Two dice are thrown at the same time. Complete the following table.

Event: Sum on 2 dice	Probability
2	1/36
3
4
5
6
7
8	5/36
9
10
11
12	1/36

Answer 1

Total number of possible events or outcomes for 2 dice = 36

Event: Sum on 2 dice	Probability	Reason : possible events
2	1/36
3	2/36	1+2, 2+1 => 2 events
4	3/36	1+3, 2+2, 3+1 => 3 events
5	4/36	1+4,2+3,4+1,3+2=>4 events
6	5/36	1+5,3+3,2+4,5+1,4+2=>5 events
7	6/36	1+6,2+5,3+4,4+3,5+2,6+1=>6 events
8	5/36	2+6,3+5,4+4,6+2,5+3=>5 events
9	4/36	3+6,4+5,5+4,6+3=>4 events
10	3/36	4+6,5+5,6+4=>3 events
11	2/36	5+6,6+5=> 2 events
12	1/36	6+6=> 1 event