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Statistics: Chapter 5: Discrete Probability Distributions Chapter 5 Overview Random Variable Discrete Random Variable Continuous Random Variable Discrete Probability Distribution Requirements for a Discrete Probability Distribution 3 ways to describe a Discrete Probability Distribution Chapter 5 Overview: Random Variable: 2 Types of Random Variables: Discrete / Continuous Discrete Random Variable: Continuous Random Variable: Sections 5-1, 5-2 Example: Identify whether the given random variable is discrete or continuous. 1. the length of time it takes to complete a test 2. the number of TV commercials aired during a football game Discrete Probability Distribution: Requirements for a Discrete Probability Distribution: 3 ways to describe a Discrete Probability Distribution: Examples: Determine whether a probability distribution is given. 1. 2. x P(x) x P(x) 5 0.216 1 0.500 6 0.432 2 0.250 7 0.288 3 1.250 8 0.064 4 -1.00