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An unbalanced die is rolled. Let X stands for the number shown up at the top. X has the following probability function: X P(X)
An unbalanced die is rolled. Let X stands for the number shown up at the top. X has the following probability function: X P(X) 1 a 2 a 3 a 4 b 1) Given that E(X) = 4.2, find the values of a and b. Answer: 5 b 6 0.3
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Statistics Principles And Methods
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
7th Edition
8126557745, 470904119, 978-0470904114
