Which are samples that are appropriate to survey regarding how the city’s residents feel about building a new youth center? Select all that apply.
1. 10 names selected from the city phone book.
2. 100 residents who live near the proposed site for the youth center.
3. 100 tourists at the city park last Friday.
4. 50 children at each of the city’s four elementary schools.
5. 100 parents of children at each of the city’s four elementary schools.