And so if you want a 99% confidence level, that means you wanna contain the 99%, the middle 99% under the curve right over here, that area. And so if this is 99%, then this right over here is going to be 0.5%, and this right over here is 0.5%. We want the z value that's going to leave 0.5% above it. And so that's actually going to be 99.5% is what we wanna look up on the table. And that's because many z tables, including the one that you might see on something like an AP Stats exam, they will have the area up to and including, up to and including a certain value. And so they're not going to leave this free right over here. So let's just look up 99.5% on our z table.