A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find E(X).pi =  0.6i 0.43 - i, xi = i, i = 0, 1, 2, 3

A. 1.2
B. 1.5
C. 2.1
D. 1.8

Answer: D

Mathematics

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B. s2? - 2s? - 3
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