Eunice samples random individual professors. She is looking to see if one ...

Eunice samples random individual professors. She is looking to see if one is over 6 feet 3 inches tall. Josephine is taking random samples of 20 professors at a time. She is looking to see if any one of those 20 professor samples averages over 6 foot 3. Which person is more likely to find what they are looking for? Why?