Question

which best describes a random sample?
a sample in which the elements are chosen by chance
a sample in which the chosen elements are predetermined
a sample in which each element of the population is chosen
a sample in which the chosen elements are removed from the population once they are chosen

Explanation:

A random sample is one where elements are selected by chance, giving each element in the population an equal probability of being chosen.

Answer:

a sample in which the elements are chosen by chance