In Exercise 5.38, we determined that the joint density function for Y1, the weight in
Chapter 5, Problem 5.82(choose chapter or problem)
In Exercise 5.38, we determined that the joint density function for Y1, the weight in tons of a bulk item stocked by a supplier, and Y2, the weight of the item sold by the supplier, has joint density f (y1, y2) = 1/y1, 0 y2 y1 1, 0, elsewhere. In this case, the random variable Y1 Y2 measures the amount of stock remaining at the end of the week, a quantity of great importance to the supplier. Find E(Y1 Y2).
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