Question: For some random variable X, you know that E[2X + 3) = 9 and Var(2X + 4) = 12. Find E[X]. O 12 10 O

For some random variable X, you know that E[2X + 3)

For some random variable X, you know that E[2X + 3) = 9 and Var(2X + 4) = 12. Find E[X"]. O 12 10 O 8 09 O None of the other answers are correct. O 11

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