So let's figure out how many standard deviations we are away from the mean. So just to remind ourselves, this sample proportion we got, we can view as just a sample from this distribution of all of the possible sample proportions. So how many standard deviations away from the mean is this? So if we take our sample proportion, subtract from that the mean of the distribution of sample proportions, and divide it by the standard deviation of the distribution of the sample proportions, we get 0.38 minus 0.3, all of that over this value, which we just figured out, was 0.037. So what does that give us? The numerator over here is just 0.08. The denominator is 0.037.