Chapter 11 Assignment

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Cleveland State University *

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445

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Industrial Engineering

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Dec 6, 2023

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docx

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Chapter 11 Assignment Q11.1 A cell phone company is testing battery performance. They gave 15 cell phones to people and required that the cell phone are used without charging. The test was conducted over 100 hours. During the test five batteries failed at the following times: 29 hours, 35 hours, 45 hours, and 78 hours. Calculate the mean time between failures (4).

Q11.2 A homeowner put up the following home alert system. Calculate the reliability of the system. Alarms 0.85 Camera 0.96 Alarms 0.85 Gate 0.98 Dog 0.96 Surveillance0.91 Alarms 0.85 Surveillance 0.91 0.85

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Chapter 11 Assignment

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