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### Course: AP®︎/College Statistics > Unit 8

Lesson 2: Mean and standard deviation of random variables- Mean (expected value) of a discrete random variable
- Mean (expected value) of a discrete random variable
- Interpreting expected value
- Interpret expected value
- Variance and standard deviation of a discrete random variable
- Standard deviation of a discrete random variable
- Mean and standard deviation of a discrete random variable

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# Interpret expected value

## Problem

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