Suppose you have 7 random variables which are independent and identically distributed (iid), each with mean -4 and stand

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answerhappygod
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Suppose you have 7 random variables which are independent and identically distributed (iid), each with mean -4 and stand

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Suppose you have 7 random variables which are independent and
identically distributed (iid), each with mean -4 and standard
deviation 7. Let X be the average of these random variables, i.e.,
their sum divided by 7. Compute E(X)+Var(X). TYPE YOUR ANSWER AS
THE NEAREST TWO DIGIT NUMBER.
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