Topic 3: Probability Distributions

Lesson 3.1: Discrete And Continuous Random Variables — Quiz

Test your understanding of lesson 3.1: discrete and continuous random variables with 5 practice questions.

Practice Questions

Question 1

What is a discrete random variable?

Question 2

Which of the following best describes a continuous random variable?

Question 3

What is the expected value of a discrete random variable?

Question 4

What is the variance of a discrete random variable?

Question 5

If a discrete random variable has a probability mass function defined by the values in a table, how can we find its expected value?