Question: Let X be a discrete random variable with mean 10 and variance 2. Then E(2X2 - 5) = A) 195 B) 191 C) 207 D)

Let X be a discrete random variable with mean 10 and variance 2. Then E(2X2 - 5) = A) 195 B) 191 C)

Let X be a discrete random variable with mean 10 and variance 2. Then E(2X2 - 5) = A) 195 B) 191 C) 207 D) 203 E) 199 Let X~N(54,02) and P(X > 46) = 0.9772. Then o = A) 1 B) 2 C) 3 D) 4 E) 5

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