An electronic switching device occasionally malfunctions

Reference no: EM13617097

An electronic switching device occasionally malfunctions and may need to be replaced. The device is considered Satisfactory ifit makes on average no more than 0.2 errors per hour. A particular 5 hour period is chosen to test the device. If the occurrence of errors is a Poisson process.

I) What is the probability that a satisfactory device will be rejected?

II) What is the probability that a device will be considered satisfactory if the error rate = 0.25?

Reference no: EM13617097

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