A random variable X can take on three possible values: 0, 8, or 20. Each of these values is associated with the following probabilities:
A random variable X can take on three possible values: 0, 8, or 20. Each of these values is associated with the following probabilities: P(X = 0) = 0.25, P (X = 8) = 0.25, and P(X=20)=0.5. What is the expected value of X?
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Authors: Frederick S. Hillier, Gerald J. Lieberman
10th edition
978-0072535105, 72535105, 978-1259162985
