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Question i Let X and Y be two independent random variables that are exponentially distributed with means 3 and 7, respectively. Determine the approximate joint

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Question i Let X and Y be two independent random variables that are exponentially distributed with means 3 and 7, respectively. Determine the approximate joint density function of X and Y. Possible Answers A 0.05e-ye x B 21e3x eTy C 0.05e0.33x -0.14y D 21e-3re-Ty E 0.05e-0.33x e -0.14y

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