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Answer to Question #227645 in Statistics and Probability for Chisenga
Question #227645
The life of an electronic device is known to have the exponential distribution
with parameter λ =
1
1000 .
(i) What is the probability that the device lasts more than 1000 hours?
(ii) What is the probability it will last less than 1200 hours?
(iii) Find the mean and variance of the life of the electronic device.
with parameter λ =
1
1000 .
(i) What is the probability that the device lasts more than 1000 hours?
(ii) What is the probability it will last less than 1200 hours?
(iii) Find the mean and variance of the life of the electronic device.
Expert's answer
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