Question: Please help me with this question..! Let X and Y be two independent Exponential random variables with mean 9 and 9, respectively. Let W =

Please help me with this question..!

Let X and Y be two independent Exponential random variables with mean 9 and 9, respectively. Let W = X + Y. What is the probability distribution of W? You must justify your answer like Example 4 Lecture Notes 5.3. Updated - 03/30/2020: Changes 61 and 62 to 9

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