certain brand of upright freezer is available in three different rated capacities: 16 ft³, 18 ft³, and 20 ft³. Let X = the rated capacity of a freezer of this brand sold at a certain store. Suppose that X has the following pmf. X 16 18 20 0.5 0.3 0.2 p(x) (a) Compute E(X), E(X²), and V(X). E(X)= ft3 E(X²) = V(x) = (b) If the price of a freezer having capacity X is 60X- 650, what is the expected price paid by the next customer to buy a freezer? $ (c) What is the variance of the price paid by the next customer?

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