She was curious if this figure was higher in her city, so she tested. Her null hypothesis is that the proportion in her city is the same as all Americans, 26%. Her alternative hypothesis is it's actually greater than 26%, where P represents the proportion of people in her city that can speak more than one language. She found that 40 of 120 people sampled could speak more than one language. So what's going on is, here's the population of her city. She took a sample. Her sample size is 120.