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livesimply livesimply
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3 weeks ago
A new model of a compact fluorescent lamp (CFL) has an average bulb life of 10,000 hours and this life-time follows the exponential distribution. What is the probability that a randomly selected CFL bulb will have a life-time between 10,000 and 20,000 hours?
Textbook 

Business Statistics


Edition: 2nd
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GuestGuest
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3 weeks ago
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3 weeks ago
Thanks for your help!!
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Yesterday
Good timing, thanks!
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2 hours ago
this is exactly what I needed
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