- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 4. Probability Trees and Conditional Expectations
- Subject 1. Expected Value and Variance

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**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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**User Contributed Comments**
1

User |
Comment |
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RoL9833Y |
So simple!!! Actual exam will not give the answer! |