Question: pls explain.thanks (3 points) Suppose E B] = 70 and C = 60000 -300B. What is E[C]? Hint: If random variables satisfy a linear equation,

pls explain.thanks

(3 points) Suppose E B] = 70 and C = 60000 -300B. What is E[C]? Hint: If random variables satisfy a linear equation, then their expected values satisfy the same equation. For example, if Y = 5X + 3 then EY] = 5E[X] + 3

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