Question: Air Raid Inc. designed 50 air-conditioning systems designed for use by astronauts in the International Space Station. All of them were operated for 1,000 hours
Air Raid Inc. designed 50 air-conditioning systems designed for use by astronauts in the International Space Station. All of them were operated for 1,000 hours at NASAs test facility. Out of all the systems 2 of them failed during the test. One of them after 200 hours and the other after 600 hours. What is the Per Unit Failure Rate?
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