- CFA Exams
- CFA Exam: Level I 2021
- Study Session 2. Quantitative Methods (1)
- Reading 8. Probability Concepts
- Subject 6. Expected Value, Variance, and Standard Deviation of a Random Variable
CFA Practice Question
For the probability distribution shown below, the mean and standard deviation has been computed. The expected value of random variable x is ______.
B. 3.03
C. 5.8
A. 0.15
B. 3.03
C. 5.8
Correct Answer: C
The expected value of random variable x is the same as the mean. In this case, the mean is 5.8 so the expected value is 5.8.
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