handout5 - Chapter 5: Discrete Random Variables and Their...

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Unformatted text preview: Chapter 5: Discrete Random Variables and Their Probability Distributions Bin Wang bwang@jaguar1.usouthal.edu Department of Mathematics and Statistics University of South Alabama Mann E6 1/10 5.1 Random variables Definition (random variable) A random variable is a variable whose value is determined by the outcome of a random experiment. Definition (Discrete random variable) A random variable that assumes countable values is called a discrete random variable. Definition (Continuous random variable) A random variable that can assume any value contained in one or more intervals is called a continuous random variable. Mann E6 2/10 5.2 Probability Distribution of a Discrete Random Variable Definition (Probability Distribution of a Discrete Random Variable) The probability distribution of a discrete random variable lists all the possible values that the random variable can assume and their corresponding probabilities....
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handout5 - Chapter 5: Discrete Random Variables and Their...

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