Question: 4. For a large n, let X1, X2, . . . , Xn be identically distributed and independent exponential random variables, each with mean 1/5.

4. For a large n, let X1, X2, . . . , Xn be identically distributed and independent exponential random variables, each with mean 1/5. Find the approximate distribution of the random variable

Y = n i=1

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