摘要：1. Jointly Distribution Random Variable The Joint Probability Mass Function for Two Discrete Random Variables The joint pmf of two discrete rv's X and 阅读全文

摘要：1. Continuous Random Variables and Probability Density Functions A random variable whose set of possible values is an entire interval of numbers is no 阅读全文

摘要：1. Random Variables Random variables variable: because different numerical values are possible; random: because the observed value depends on which of 阅读全文

摘要：1. Sample Spaces and Events An experiment is any action or process that generates observations. The Sample Space of an Experiment The sample space of 阅读全文

摘要：1.Populations, Samples, and Processes An investigation will typically focus on a well-defined collection of objects constituting a population of inter 阅读全文