10. Topic 10(COLON) Introduction to Probability

Lesson 10.4: Discrete Random Variables And Expectation — Quiz

Test your understanding of lesson 10.4: discrete random variables and expectation with 2 practice questions.

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Practice Questions

Question 1

What is the expected value of a discrete random variable $X$ representing the outcome of rolling a fair six-sided die?

Question 2

A discrete random variable $X$ takes on the values 1, 2, and 3 with probabilities 0.2, 0.5, and 0.3, respectively. What is the expected value of $X$?