A Sociologist Studying Freshmen at a Major University Carried Out

Multiple Choice

A sociologist studying freshmen at a major university carried out a survey, asking (among other questions) how often students went out per week, how many hours they studied per day, and how many hours they slept at night. A random sample allows which tool to be used for trustworthy inference?

A) the laws of probability
B) the laws of correct surveys
C) the laws of generality
D) All of the answer options are correct.