Author Question: Ten high-technology batteries are tested for 200 hours each. One failed at 20 hours; all others ... (Read 82 times)

ahriuashd · **on:** Dec 3, 2019

Question 1

Consider a product with three components in series, with reliabilities of 0.90, 0.80, and 0.99 for components A, B, and C, respectively. Furthermore, component B uses a backup that also has a reliability of 0.80. What is the reliability of the system?
◦ 0.85536
◦ 0.50000
◦ 0.80000
◦ 3.49000
◦ 0.71280

Question 2

Ten high-technology batteries are tested for 200 hours each. One failed at 20 hours; all others completed the test. FR(%) is ________ and MTBF is ________.
◦ 90%; 1/1820
◦ 10%; 1980 hours
◦ 10%; 1/1820
◦ 10%; 1820 hours
◦ cannot calculate from information provided

HandsomeMarc · **Reply #1 on:** Dec 3, 2019

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