The government of a large city needs to determine whether theâ city's residents will support the building of a new Middle School. The government decides to conduct a survey of a sample of theâ city's residents. Which one of the following procedures would be the most appropriate for obtaining a sample of theâ city's residents?a. Survey a random sample of the employees and inmates at the old jail. b. Survey every fifth person who walks into City Hall on a given day. c. Survey a random sample of persons within each geographic region of the city. d. Survey the first 200 people listed in the cityâs telephone directory.