in the a 51 The percentage of Copper and iron certain kind of one are, X, and X₂. If the joint density of these random variables is given by Jespeefly two 13 (5x₁+x₂) for X₁70, X₂0 11 f(x₁, x 3) = 100 and x+2x22 else where use the distribution function technique to find the probability density of y = x₁ + x₂. Also find E(Y). the expected. total percentage of copper and iron in the ore.

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