A pair of jointly distributed random variables are said to be independent if and only if their joint probability distribution is the product of their:
A)conditional probabilities.
B)marginal probability distributions.
C)hypergeometric probabilities.
D)Poisson distributions.

Question

Quizplus · Accepted Answer

Independent random variables have marginal probability distributions that are not affected by the values of the other random variable. Therefore, their joint probability distribution can be expressed as the product of their marginal probability distributions.

A Pair of Jointly Distributed Random Variables Are Said to Be