Concept
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Two Types of Random Variables
![Discrete Probability Disrtibution](../../../../../../../../../figures.boundless-cdn.com/18078/raw/screte-probability-distrib.jpg)
Discrete Probability Disrtibution
This shows the probability mass function of a discrete probability distribution. The probabilities of the singletons {1}, {3}, and {7} are respectively 0.2, 0.5, 0.3. A set not containing any of these points has probability zero.
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"Discrete probability distrib."
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