Which of the following best describes a discrete random variable?
A) A random variable that can only assume a countable number of values.
B) A random variable that can only assume an uncountable number of values.
C) All random variable are discrete random variables
D) None of these choices are correct

Question

Which of the following best describes a discrete random variable? 
A) A random variable that can only assume a countable number of values.
B) A random variable that can only assume an uncountable number of values.
C) All random variable are discrete random variables
D) None of these choices are correct

Quizplus · Accepted Answer

A discrete random variable can only assume a countable number of values, usually represented by integers. For example, the number of children in a family, the number of heads in coin tosses or the number of cars sold in a month are all examples of discrete random variables.

Which of the Following Best Describes a Discrete Random Variable