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The time T required to repair a machine is an exponentially distributed randon variable with mean 7 (hours). What is the probability that a repair takes at least hours given that its duration exceeds 12 hours? Select the correct answer:

The time T required to repair a machine is an exponentially distributed randon variable with mean 7 (hours). What is the probability that a repair takes at least hours given that its duration exceeds 12 hours? Select the correct answer:

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Please answer all parts and round your answers to 5th decimal place. Thank you!
The time T required to repair a machine is an exponentially distributed random variable with mean 7 (hours). What is the probability that a repair takes at least 12- hours given that its duration exceeds 12 hours? Select the correct answer: A. 1 te- OB. 1 - e-7 C. 1-e D. e O E. e-7
Transcribed Image Text:The time T required to repair a machine is an exponentially distributed random variable with mean 7 (hours). What is the probability that a repair takes at least 12- hours given that its duration exceeds 12 hours? Select the correct answer: A. 1 te- OB. 1 - e-7 C. 1-e D. e O E. e-7
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