Ira wants to determine the fast-food restaurant preferred by the majority of twelve-year-olds in his town. which sample population should he survey to get a random sample? !
every third child that enters the junior high school on a particular day
every twelve-year-old that leaves a particular pizza restaurant in town
every twelve-year-old that enters a particular hamburger restaurant in town
every third twelve-year-old that leaves school on a particular day