Question 869049
There are 6 outcomes that are doubles 1,1 2,2 3,3, 4,4 5,5 6,6
There are 5  outcomes that sum to 8. 2,6 3,5 4,4 5,3 6,2
There is 1 outcome that satisfies both. 4,4
So 
{{{P=6/36+5/36-1/36}}}
{{{P=10/36}}}
{{{P=5/18}}}