BrianKeokot4640 BrianKeokot4640
  • 28-03-2024
  • Mathematics
contestada

A second-stage rocket motor has a nominal burn time of 50 seconds and a failure rate (λ) of 0.003/sec. What is the probability that the motor fails before it reaches the end of its burn time?
a) 0.132
b) 0.367
c) 0.049
d) 0.220

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