A(n) _____ is one in which each person or thing, such as an email address, has an equal chance of being selected because the selection process is random.

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A probability sample is a sample in which each person or thing has an equal chance of being selected because the selection process is random. This type of sampling method provides a representative sample of the population and reduces the chances of bias. In contrast, a non-probability sample is a sample in which the selection process is not random, and the chances of selection for each person or thing are unknown.

A(n) _____ Is One in Which Each Person or Thing