We know that the mean of this distribution, or the expected value of this distribution, is actually going to be P. It's actually going to be a value. It's neither 0 or 1, so not an actual value that you could actually get out of a teacher if you were to ask them. They cannot say something in between good and not good, but the actual expected value is something in between. It is P. What we do is, we're taking a sample of those 250 teachers, and we got that 142 felt that computers were an essential teaching tool. In our survey, we had 250 sampled, and we got 142 said that it is good. We'll say that this is a 1. We got 142 1's, or we sampled 1 142 times from this distribution.