Ah I see. I think I was making the problem a lot more difficult than it actually is! Thanks for that!

<t>Hi everybody.I'm looking at a type of question I haven't come across before but I gather it is a "Simple Random Walk" and I'm not sure how to go about solving it. The question is:A square is defined by points A, B, C and D. A dog starts at point A and can either go left (to B) or down (to D) with...