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(Solved): stats Find the standard deviation of the sum Y=i=19Xi, where X1,,X9 are independe ...



Find the standard deviation of the sum \( Y=\sum_{i=1}^{9} X_{i} \), where \( X_{1}, \ldots, X_{9} \) are independent and idestats

Find the standard deviation of the sum , where are independent and identically distributed (iid), having pdf , zero elsewhere. (Round your answer to THREE decimal places)


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