Question: In the past, a process had a mean time between failure (MTBF) that was 11 times longer than the mean time to repair (MTBF=11MTTR) of

In the past, a process had a mean time between failure (MTBF) that was 11 times longer than the mean time to repair (MTBF=11MTTR) of that process. However, because of its high use, the MTBF has decreased by 7% recently. In addition, the MTTR of the process has been cut down by 34%, as a result of a six-sigma project. Given these changes, what is the new availability of the process (expressed as a number between 0 and 1)?

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