Suppose you have 19 random variables which are independent and identically distributed (iid), each with mean -9 and stan

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answerhappygod
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Suppose you have 19 random variables which are independent and identically distributed (iid), each with mean -9 and stan

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Suppose you have 19 random variables which are independent
and identically distributed (iid), each with mean -9 and standard
deviation 8. Let X be the average of these random variables, i.e.,
their sum divided by 19. Compute E(X)+Var(X).
TYPE YOUR ANSWER AS THE NEAREST TWO DIGIT NUMBER.
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