Question: question is below 3.17. A triangular random variable, X, has probability density function (PDF) f(x) given by f(x) = 2(1 - 1-x) if0 5x51, 0

question is below

3.17. A "triangular" random variable, X, has probability density function (PDF) f(x) given by f(x) = 2(1 - 1-x) if0 5x51, 0 otherwise.Suppose X1 and X2 are independent samples (copies) of X and Y = X1 + X2. That is to say that X1 and X2 are independent random variables and each has the same density f. Find the PDF for Y

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