(12 points). One thousand similar BJT power transistors which are known to have constant failure rates of 0.05 per 1000
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(12 points). One thousand similar BJT power transistors which are known to have constant failure rates of 0.05 per 1000
(12 points). One thousand similar BJT power transistors which are known to have constant failure rates of 0.05 per 1000 hours are put into operation at the same time. Find the predicted time to have 50 transistors failed in service. (a) 1350 hours (b) 1020 hours (c) 1160 hours (d) 2000 hours
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