You want to estimate the number of students who bring their lunch to school every day. Which of the following is the best sample for this situation?

A. 80 students selected at random during lunch

B. all members of the Math Club

C. 45 first-year students selected at random

D. 50 female students selected at random

A. 80 students selected at random during lunch

This option would provide the most representative sample of the student population at school during lunchtime, giving a better estimate of how many students bring their lunch to school every day.