So let's get our z-table out. We care about a z-score of exactly two. So 2.00 is right over here,.9772. So that tells us that this area right over here is 0.9772. And so that blue area, the probability that Shinji runs out of fuel is going to be one minus 0.9772. And what is that going to be equal to? Let's see, this is going to be equal to 0.0228.