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Refer to given Exercise. Assume that failed items are immediately replaced during the test. Using Handbook H-108, what is your recommendation on the lot?

Exercise
A life testing plan is to be terminated after the eighth failure. It should reject a lot that has an acceptable mean life of 900 hours with a probability of 0.10. Items that fail during the test are not replaced.

A sample of 15 items is placed on test with the eight failures occurring at the following times (in hours): 400, 430, 435, 460, 460, 490, 520, 530. Based on Handbook H-108, should the lot be accepted?

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