Mathematics, 27.06.2020 18:01 coolusername1314

Suppose that X is a random variable with mean 10 and standard deviation 2, and Y is a random variable with mean 5 and standard deviation 1. X and Y are independent. Let Z = X + 3Y. What is mean of Z?

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Suppose that X is a random variable with mean 10 and standard deviation 2, and Y is a random variabl...

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