Mathematics, 09.10.2019 05:00 ricky1790
An 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
p(x) 0.3 0.1 0.6
(a) compute e(x), e(x2), and 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?
Answers: 3
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