Question
A coffee vending machine adds brewed coffee and then hot water to make a cup of coffee.Let X = the amount of coffee added and
A coffee vending machine adds brewed coffee and then hot water to make a cup of coffee.Let X = the amount of coffee added and Y = amount of water added, assume the following
X~N(47,4) (ie E(X) = 47 and Var(X) = 4)
Y~N(100,11)
Cov(X,Y) = 1.8
What is the expected amount of liquid that ends up in the cup, ie E(X+Y)?
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Managing Operations Across the Supply Chain
Authors: Morgan Swink, Steven Melnyk, Bixby Cooper, Janet Hartley
2nd edition
9780077535063, 007802403X, 77535065, 978-0078024030
