A college administrator questions the first 5050 students he meets on campus the day after final exams are over. He asks them whether they had positive, neutral, or negative overall feelings about the term that had justended.

Select the reason(s) why it may be risky to act as if the first 5050 students at this particular time are an SRS of all students at thiscollege. *MORE THEN ONE ANSWER*

A. Surveying students the day after final exams is a convenience sample, so it is a simple randomsample.

B. Students on campus the day after final exams may not be a good representation of the entire studentbody.

C. Students on campus the day after final exams does not guarantee every student in the population has an equal chance to be in thesample.

D. Having the administrator ask questions is not a doubleblindstudy.