DevoreStat9 3.3.032. [5218328) An certain brand of upright freezer is available in three different rated capacities: 16

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Devorestat9 3 3 032 5218328 An Certain Brand Of Upright Freezer Is Available In Three Different Rated Capacities 16 1 (29.69 KiB) Viewed 21 times

DevoreStat9 3.3.032. [5218328) An certain brand of upright freezer is available in three different rated capacities: 16 ft), 18 ft?, and 20 ft. Let x = the rated capacity of a freezer of this brand sold at a certain store. Suppose that has the following pmf. х 16 18 20 P(x) 0.3 0.1 0.6 (a) Compute E(X), E(X), and v(x). E(X) AB E(X2) V(x) = (b) If the price of a freezer having capacity X is 67x - 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? (d) Suppose that although the rated capacity of a freezer is x, the actual capacity is n(X) - X -0.009x2. What is the expected actual capacity of the freezer purchased by the next customer? (Enter your answer to four decimal places.)