e X (in hours) of a battery in constant use is an arbitrary variable with exponential density. What is the probability that tery will last more than 28 hours if the average life is 8 hours? your answer to four decimal places.)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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The life X (in hours) of a battery in constant use is an arbitrary variable with exponential density. What is the probability that
the battery will last more than 28 hours if the average life is 8 hours?
(Give your answer to four decimal places.)
P≈
Transcribed Image Text:The life X (in hours) of a battery in constant use is an arbitrary variable with exponential density. What is the probability that the battery will last more than 28 hours if the average life is 8 hours? (Give your answer to four decimal places.) P≈
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