Iti.cognella.com nella) -This quiz will open o... C Review Assignment 6: Attempt review ucu Cognella Active Learning Quiz 6 ## Suppose X is the number of hours it takes for a new pair of blue jeans mail ordered from a store to arrive to customers after ordering, and Y is the time it takes between ordering and the customer trying the new pair of jeans. The joint density of these two random variables is f ( x, y ) = 125000 ' 0