Which of the Following Is a Feature of a Simple

Multiple Choice

Which of the following is a feature of a simple random sample?

A) Subjects are chosen from the population in such a way that each has an equal chance of being selected.
B) Choosing one subject increases the probability of another subject being chosen
C) Subjects within a sub-population are randomly chosen to ensure that each sub-population is adequately represented
D) Subjects consist of those who are available to participate in the study.