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statistics question Let A , B, and C be a random sample from a normal distribution with mean / and variance equal to 1 (i.e.

statistics question

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Let A , B, and C be a random sample from a normal distribution with mean / and variance equal to 1 (i.e. N(# ,12)). (Note being a random sample means A, B,C are independent) A. If E(3A + 4B - 2C) = 10, what is # ? B. Find Var(3A + 4B - 2)

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