So we want to find a 95% confidence interval. And as you can imagine, because we only have 10 samples right here, we're going to want to use a t distribution. And right down here, I have a t table. And we want a 95% confidence interval. So we want to think about the range of t values that 95% of t values will fall under. So let's think about it this way. So let me draw a t distribution.