Let X1, . . . , Xn be independent random variables, such that Xi ∼ Exponential(θ), for i =1, . . . , n. Find the distribution of Y = X1 + · · · + Xn.
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Let X1, . . . , Xn be independent random variables, such that Xi ∼ Exponential(θ),
for i =1, . . . , n. Find the distribution of Y = X1 + · · · + Xn.
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