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X and Y are random variables with joint PDF of x + y ≤ 1 for x ≥ 0 and y ≥ 0, and 0 otherwise. What is the marginal pdf fx(x) and fy(y)? Help me to correct my problem about this inequality please.. My answer is - 6 < x < 8 but the answer optional in the middle is 48/x,? Cost of building a soundproof warehouse building 18hx50lx30w? The side of a mountain range that faces the wind often receives more - than the downwind side of the same range? What is the difference between metric tonne and tonne?