Question

you want to estimate the number of students to bring their lunch to school every day which of the following is the best sample for this situation?

All members of the math club
50 female students selected at random
80 students selected at random during lunch
45 first year students selected at random

Answer 1

1. C - 80 students
2. A - All customer who bought the new coffee
3. B - No, because he did not choose the students randomly
4. D - No, because not all people who own a cell phone have the same probability of being selected
5. C - Yes, because every student had an equal chance to be part of the sample. The sample size also appears to be large enough

Answer 2

NAH UH is 100% corect

Answer 3

80 students selected at random during lunch