So when we look at a z-table, we want the critical z-value that they give right over here. And we have to be careful here. We're not going to look up 95%, because the z-table gives us a cumulative probability up to that critical z-value. So the z-table is going to be interpreted like this. So there's going to be some z-value right over here, where we have 2.5% above it. The probability of getting a more extreme result, or a z-score above that, is 2.5%. And the probability of getting one below that is going to be 97.5%.