Answers Concepts in Probability and Statistics A Properties of Probability DistributionsQuestion 3

3

QuizMultiple Choice

Properties of Probability Distributions

Question 3 • Concepts in Probability and Statistics A

A project is graded on a scale of 1 to 5. If the random variable, X, is the project grade, what is the mean of the probability distribution below?

Question illustration

Answer

A

0.2

B

0.4

C

1

D

3