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Suppose that there are two students, Tommy and Timmy, that have to review for their exams. On a given day, let X and Y, respectively,

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Suppose that there are two students, Tommy and Timmy, that have to review for their exams. On a given day, let X and Y, respectively, be the proportions of the time that Tommy and Timmy are studying for their exam. Suppose that the joint density function of these variables is f (, y) = 24xy 0

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