What sample fairly represents the population? Check all that apply
A. Measuring the heights of every fiftieth person on the school roster to determine the average heights of boys in the school
B. Calling every third person on the soccer teams roster to determine how many of the team members have completed their fundraising assignment
C. Observing every person walking down Main Street at 5 pm one evening to determine the percentage of people who wear glasses
D. Sending a confidential email survey to every one hundredth parent in the school district to determine the overall satisfaction of all the residents in the town
E. Taking a poll in the lunchroom (where all the students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch
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