But we can estimate it. We can estimate it using our samples. And since we're assuming that the men and the women, that there's no difference between them, we can actually view it as a sample size of 2,000 to figure out that true proportion. So we can actually substitute it. We can actually substitute this with a sample proportion. And we can pretend like our survey of the men and women is just one huge survey. So you have your sample proportion is going to be equal to, we're surveying a total of 2,000 people.