An auxiliary power unit (APU) is a relatively small, self-contained generator used in aircraft to start the jet engines, usually with compressed air, and to provide electricity, hydraulic pressure, and air conditioning while the aircraft is on the ground. It is known that 1 out of 200 tests performed in APU results in a failure. What is the probability that the failure occurs at the 20th flight test?.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An auxiliary power unit (APU) is a relatively small, self-contained generator used in aircraft to start the jet engines, usually with compressed air, and to provide electricity, hydraulic pressure, and air conditioning while the aircraft is on the ground. It is known that 1 out of 200 tests performed in APU results in a failure. What is the probability that the failure occurs at the 20th flight test?.

 

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