According to the meaning of the question,12 (1-p) (1-q) =1912pq =19.

∫p > q

By solving the equation, we can get p= 2 3 q= 1 3.

∴m= 1 3× 1 2× 1 3+ 1 2× 1 3×2 3+ 1 2×2 3×2 3 = 7 18

n = 1- 1 9×2-7 18 = 7 18

So the answers are: 7 18, 7 18.