http://img844.imageshack.us/img844/8333/1111jx.png [Broken] 1. The problem statement, all variables and given/known data With wich probability, starting in g, node d gets hit before node e? 2. Relevant equations 3. The attempt at a solution I think the probability of hitting each node starting in g is the following: p(g) = 1 p(c) = 1/2 p(a) = 1/3 p(d) = 1 p(b) = 1/3 p(f) = 1 p(e) = 0 Do I just have to add the probabilities from g to d and that's it?