统计学课件(英文版)ch06.ppt

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Slides Prepared by JOHN S. LOUCKS St. Edward抯 University Chapter 6 Continuous Probability Distributions Uniform Probability Distribution Normal Probability Distribution Exponential Probability Distribution m x f(x) Continuous Probability Distributions A continuous random variable can assume any value in an interval on the real line or in a collection of intervals. It is not possible to talk about the probability of the random variable assuming a particular value. Instead, we talk about the probability of the random variable assuming a value within a given interval. The probability of the random variable assuming a value within some given interval from x1 to x2 is defined to be the area under the graph of the probability density function between x1 and x2. A random variable is uniformly dis

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