Ten High-Technology Batteries Are Tested for 200 Hours Each

question 117

Multiple Choice

Ten 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%; 1980 hours
• C) 20%; 1760 hours
• D) cannot calculate from information provided
• E) 80%; 920 hours

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A feeling of worry, nervousness, or unease typically about an imminent event or something with an uncertain outcome.

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