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The lifetime T of a device has pdf given by: fTt=3e-3(t-3)0t≥3t<3 Find the reliability and MTTF...

The lifetime T of a device has pdf given by:

fTt=3e-3(t-3)0t≥3t<3

  1. Find the reliability and MTTF of the device
  2. Find the failure rate function
  3. How many hours of operation can be considered to achieve 85% reliability
Math   Statistics-And-Probability   
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