The government of a large city needs to determine whether the city's residents will support the construction of a new gymnasium. The government decides to conduct a survey of a sample of the city's residents. Which one of the following procedures would be the most appropriate for obtaining a sample of the city's residents?Survey a random sample of the future employees of the new gymnasium.Survey every tenth person to use the public restroom.Survey the last 100 residents listed in the telephone directory.Survey a random sample of persons within each neighborhood.