Question: Let X1, ...,Xn be independent random variables with the same distribution N(,2). Find constants n and n such that U = (X1 + +

Let X1, ...,Xn be independent random variables with the same distribution N(μ,σ2). Find constants αn and βn such that U = (X1 + ··· + Xn − αn)/βn and X1 have the same distribution.

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