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. Then the rest of the times, what's left over? There's another 108 who said that it's not good. 108 said not good, or you could view them as you were sampling a 0.