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Let X ~ N(1,3) and Y~ N(5,7) be two independent random variables. Find... Var(X + Y...

Let X ~ N(1,3) and Y~ N(5,7) be two independent random variables. Find...

Var(X + Y + 32)

Var(X -Y)

Var(2X - 4Y)

Math   Statistics-And-Probability   
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