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1. Let for the random variable Y, we know that E(Y) = 1, V(Y) = 4. Also let Z = 6 - 2. What is

1. Let for the random variable Y, we know that E(Y) = 1, V(Y) = 4. Also let Z = 6 - 2. What is E(Z) and V(Z) ? a. 4 and 1 b. 2 and 144 C. 2 and 1 d. 4 and 144

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