Essay
An ATM machine provides four sequential steps in processing a transaction.Over the last quarter, the reliability of each of these steps was 0.92, 0.97, 0.95 and 0.90.What is the overall reliability of the machine? How much can reliability be improved if the reliability of the fourth step is increased to 0.98?
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RS = (0.92)(0.97)(0.95)(0.90) =...View Answer
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