An LED light bulb has an exponentially distributed life expectancy, with a mean time of 5000 hours. What is the probability a light bulb will: a) Last more than 4000 hours? b) The bulb has already lasted 5000 hours. What is the probability it will last more than 9000 hours?
An LED light bulb has an exponentially distributed life expectancy, with a mean time of 5000 hours. What is the probability a light bulb will: a) Last more than 4000 hours? b) The bulb has already lasted 5000 hours. What is the probability it will last more than 9000 hours?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
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