Luna want to know what proportion of the 7th graders at her school are interested in taking art class. which is the best group survey to find this information. a: ask all of her classmates in her homeroom who show up for school one day? b: ask every person who is waiting at her bus stop one afternoon. c: ask every 12th person who leaves school one afternoon. roll dice to determine which person to ask first. d: ask all her friends to ask their friends.