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Independent random variables

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Let X1, X2, and X3 be independent random variables, each exponentially distributed with parameter A = ½. Find the probability density function of (i) X1 + X2 + X3, (ii) minimum (X1, X2 , X3), (iii) maximum (X1, X2, X3), (iv) X1/X2.

Reference no: EM131834394

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