The chief purpose of probability sampling is to be able to select: group of answer choices a) a sample whose statistics will accurately portray an unknown population parameter b) a sample whose parameter will accurately portray an unknown population statistics c) a sample whose statistics will accurately portray a known population parameter d) a sample whose unknown statistics will accurately portray a known parameter e) none of the above.

a) A sample whose statistics will accurately portray an unknown population parameter

Explanation:

Probability sampling: The probability sampling method is one of the sampling techniques used in survey research. In probability sampling, a sample is being chosen from a larger population by using the probability theory method. The participants are selected randomly in probability sampling. In probability sampling, every participant of a population has an equal opportunity of being selected.

Example: Classic ball experiment.

answer; earthquake;