?Let \(X_{1}\), \(X_{2}\), \(\ldots\), \(X_{r}\) be independent exponential random
Chapter 5, Problem 5.8.9(choose chapter or problem)
Let \(X_{1}\), \(X_{2}\), \(\ldots\), \(X_{r}\) be independent exponential random variables with parameter \(\lambda\).
(a) Find the moment-generating function of \(Y=X_{1}+X_{2}+\ldots+X_{r}\).
(b) What is the distribution of the random variable Y ?
Text Transcription:
X_1
X_2
ldots
X_r
lambda
Y=X_1+X_2+ldots+X_r
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