Unlike Probability Samples, When Collecting a Sample Using Nonprobability Sampling

Unlike probability samples, when collecting a sample using nonprobability sampling techniques, elements within the population ______.

A) are certain to be a sample which actually represents the population
B) uses information known about the total population prior to sampling to make the sampling process more efficient
C) do not have a known probability of being selected into the sample
D) requires a procedure that generates numbers or identifies cases strictly on the basis of chance