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In a certain study, it is found that the life of a light bulb is exponentially distributed with a mean life of 1,200 hours. (a)
- In a certain study, it is found that the life of a light bulb is exponentially distributed with a mean life of 1,200 hours.
- (a) What is the probability that a randomly selected bulb will last more than 1,400 hours?
- (b) What is the probability that the bulb will last less than 1,000 hours?
- (c) What is the median life of a bulb?
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we can use the exponential distribution formula For an exponential distribution with mean the probab...
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Statistics For Business & Economics
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
14th Edition
1337901067, 978-1337901062
