The City Council of a Small Town Needs to Determine

The city council of a small town needs to determine if the townʹs residents will support the building of a newlibrary. The council decides to conduct a survey of a sample of the townʹs residents. Which one of the followingprocedures would be most appropriate for obtaining a sample of the townʹs residents?

A) Survey a random sample of persons within each neighborhood of the town.
B) Survey a random sample of librarians who live in the town.
C) Survey 500 individuals who are randomly selected from a list of all people living in the state in which the town is located.
D) Survey every 7th person who enters the old library on a given day.