Yeah
Don't forget though, the probability of one of those isolated ones is also affected by how many mines we know are on a non-isolated square. Then it gets more complex, because sometimes along a 'wall' there might be 2 or there might be 3 mines or something similar... you then have to calculate the probability of each number being true and multiplying the probability by the suggested number for each one, then adding them together to get a statistical average number of mines along that edge throughout all situations.
With that in mind a perfect representation of the probability of each square could get quite complex, though possible...