Ismor Fischer, 5/26/2016 4.1-1 4. Classical Probability ...

Classical Probability Distributions 4.1 Discrete Models FACT: ... Definition: p(x) is a probability mass function for the discrete random variable X if, for all x, p(x) 0 AND all x px = 1. In this case, p(x) = P(X = x), the probability that the value x occurs in the population. ................
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