Q3: Suppose that the time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with 2 = 0.0003. (a) What proportion of the fans will last at least 10,000 hours? (b) What proportion of the fans will last at most 7000

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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Q3: Suppose that the time to failure (in hours) of fans in a
personal computer can be modeled by an exponential
distribution with 2 = 0.0003.
(a) What proportion of the fans will last at least 10,000
hours?
(b) What proportion of the fans will last at most 7000
hours?
Transcribed Image Text:Q3: Suppose that the time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with 2 = 0.0003. (a) What proportion of the fans will last at least 10,000 hours? (b) What proportion of the fans will last at most 7000 hours?
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