I should be using the word outcomes. So just with the word outcomes, it should be the total number of outcomes in which what we're saying happens, so we get three heads, over the total of possible outcomes. So let's do the bottom part first. What are the total possible outcomes if I'm flipping a fair coin eight times? Well, the first time I flip it, I either get heads or tails, so I get two outcomes. And then when I flip it again, I get two more outcomes for the second one. And then how many total outcomes?