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Twenty High-Technology Batteries Are Tested for 200 Hours Each

Question 23

Multiple Choice

Twenty high-technology batteries are tested for 200 hours each. One failed at 20 hours; another failed at 140 hours; all others completed the test. FR(%) is ________ and MTBF is ________.


A) 20%; 880 hours
B) 10%; 3760 hours
C) 20%; 3760 hours
D) 10%; 1880 hours
E) 80%; 920 hours

Correct Answer:

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