What two things must a probability distribution for a random variable display?
A) All possible values of the random variable and their associated probability
B) All possible experimental outcomes and their associated probability
C) All values of the random variable and all experimental outcomes
D) All values of the random variable and the probability of each experimental outcome

Question

Quizplus · Accepted Answer

A probability distribution for a random variable must display all possible values of the random variable and their associated probability. It does not need to display all possible experimental outcomes, which is option B, or all values of the random variable and all experimental outcomes, which is option C. Option D is partially correct, but it should say that the probability distribution must display the probability of each possible value of the random variable, not each experimental outcome.

What Two Things Must a Probability Distribution for a Random