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Competitive Stats
Q40Section I (Objective (Q1–Q80))40 of 80

Distribution Theory — distribution of the difference of exponentials

Let X and Y be two i.i.d. random variables with p.d.f. f(x)=2e−2xf(x)=2e^{-2x}, x≥0x\ge0. The distribution of Z=X−YZ=X-Y is:

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