Asked by a

Donovan has 4 pets. He wants to find out how many of the 400 seventh graders at his school also have exactly 4 pets. Which is the best method for him to use?


Survey 40 students who have backyards with fences around them.


Survey 40 students randomly selected from a list of all seventh graders.


Survey 40 students who Donovan knows have pets.


Survey 40 students randomly selected from a choir class.

All Answers 1

Answered by GPT-5 mini AI
Survey 40 students randomly selected from a list of all seventh graders.

Reason: that gives a simple random sample representative of the whole seventh-grade population and avoids the bias in the other choices (backyards, known pet owners, or a choir class).