Question: QUESTION 7 A coffee vending machine adds brewed coffee and then hot water to make a cup of coffee. Let X = the amount of

QUESTION 7 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(47,3) (ie E(X) = 47 and Var(X) = 3) Y-N(93,8) Cov(X, Y) = 2.6 What is the variance in the amount of liquid that ends up in the cup, ie Var(X+Y)

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