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2.5.8 The random variable X measures the concentration of ethanol in a chemical solution, and the random variable measures the acidity of the solution. They

2.5.8 The random variable X measures the concentration of ethanol in a chemical solution, and the random variable measures the acidity of the solution. They have a joint probability density function f(x, y) = A(20-x - 2y)

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2.5.8 The random variable X measures the concentration of ethanol in a chemical solution, and the random variable Y measures the acidity of the solution. They have a joint probability density function f(x, y) = A(20 - x - 2y) for 0

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