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

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