<u>The mean time to repair (</u><u>MTTR</u><u>) is </u><u>20 hours.</u>
What is MTTR?
- MTTR (mean time to respond) is the average time it takes to recover from a product or system failure from the time when you are first alerted to that failure.
- Mean time to repair (MTTR) is the average time taken to repair an item.
Mean time to repair = Total hours spent on corrective maintenance / Number of maintenance actions completed
Mean time to repair = 1,200/60
Mean time to repair = 20 hours
Therefore, the mean time to repair is 20 hours.
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Answer:
549,189,234
Step-by-step explanation:
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Answer:
c) (-4)×(-3) , is the correct answer