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Chapter 2 · Information Processing SystemPractice
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CONCEPT PRACTICE

Mean time between failures

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2024 Autumn · Subject A · Q44

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A device that operates 24 hours a day, 360 days a year has an MTBF value of 1,440 hours. Which of the following is the average number of failures for this device for 360 days? Here, the result is rounded to the closest whole number, and the MTTR of the device is ignored.

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Source: 2024A_FE-A_Questions.pdf, PDF page 20. ID: 2024A-A-Q044. Explanation written for this textbook.

Original question · Q44
A device that operates 24 hours a day, 360 days a year has an MTBF value of 1,440 hours. Which of the following is the average number of failures for this device for 360 days? Here, the result is rounded to the closest whole number, and the MTTR of the device is ignored.

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