Which sample fairly represents the population? check all that apply.

--measuring the heights of every fiftieth person on the school roster to determine the average heights of the boys in the school

--calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment

--observing every person walking down main street at 5 p. m. one evening to determine the percentage of people who wear glasses

--sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town

--taking a poll in the lunch room (where all students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch