Critical component to the operation of medical device

Reference no: EM1390213

A certain component is critical to the operation of medical device and must be replaced immediately upon failure. If the mean lifetime of this type of component is 100 hours and its standard deviation is 30 hours, how many of these components must be in stock so that the probability that the device is in continual operation for the next 2,000 hours is at least .95?

Reference no: EM1390213

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