The time to failure (in hours) fora laser in a cytometry machine is modeled by an exponential distribution with A = 0.00004. Round the answers to 3 decimal places. (a) What is the probability that the laser will last at least 20710 hours? (b) What is the probability that the laser will last at most 30738 hours? (c) What is the probability that the laser will last between 20710 and 30738 hours? Statistical Tables and Charts

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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The time to failure (in hours) fora laser in a cytometry machine is modeled by an exponential distribution with 2 = 0.00004. Round
the answers to 3 decimal places.
(a) What is the probability that the laser will last at least 20710 hours?
(b) What is the probability that the laser will last at most 30738 hours?
(c) What is the probability that the laser will last between 20710 and 30738 hours?
Statistical Tables and Charts
Transcribed Image Text:The time to failure (in hours) fora laser in a cytometry machine is modeled by an exponential distribution with 2 = 0.00004. Round the answers to 3 decimal places. (a) What is the probability that the laser will last at least 20710 hours? (b) What is the probability that the laser will last at most 30738 hours? (c) What is the probability that the laser will last between 20710 and 30738 hours? Statistical Tables and Charts
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