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1. A discrete random variable X has this probability X 0 2 3 4 distribution. P(x) 0.12 0.25 0.18 0.35 0.10 Calculate: a. E(X) (3
1. A discrete random variable X has this probability X 0 2 3 4 distribution. P(x) 0.12 0.25 0.18 0.35 0.10 Calculate: a. E(X) (3 points) b. Var(X) (3 points) c. Standard deviation. (2 points)
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Understanding Basic Statistics
Authors: Charles Henry Brase, Corrinne Pellillo Brase
6th Edition
9781111827021
