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Course: Statistics and probability > Unit 9
Lesson 1: Discrete random variables- Random variables
- Discrete and continuous random variables
- Constructing probability distributions
- Probability with discrete random variables
- Expected value
- Mean (expected value) of a discrete random variable
- Expected value (basic)
- Standard deviation of a discrete random variable
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Random variables
Basic idea and definitions of random variables. Created by Sal Khan.
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