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Unformatted text preview: . (b) Find the probability that the lifetime of a lightbulb will be longer than 2000 hours. (c) Given that a lightbulb has been continuously lit for 2000 hours, what is the probability that it will last for at least another 2000 hours? (d) Suppose Simon bought 5 lightbulbs and he knows that their lifetimes are independently distributed. 1. What is the probability that at least one of them will burn out in less than 2000 hours? 2. What is the probability that more than two will burn out in less than 2000 hours? 1...
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This note was uploaded on 10/19/2008 for the course ECON 3190 taught by Professor Hong during the Fall '07 term at Cornell University (Engineering School).
 Fall '07
 HONG

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