Community service is one of ahmed’s passions. ahmed wants to survey a random sample of the students in his school to find out which day after school would work best for students to do volunteer work for a local food bank. which sample would best represent the students in his school?

a surveying twenty students waiting in line for lunch

b surveying twenty students on their way to the bus after school

c surveying one person from the seventh grade daily for twenty days

d surveying one person each from twenty different classrooms during the first class period