Published data shows that the most popular blood type is O+, found in 35% of the population. A nurse, who tests the blood type in patients, believes that the O+ blood type is even more prevalent than 35%. The nurse collects data on blood type from 100 patients and finds that the percentage of people with O+ blood type is 38%. As the nurse sets up a hypothesis test to determine if her belief is correct, what is the nurse's claim?