(Answered) Question the useful life of an electrical component is

Statistics

Question: The useful life of an electrical component is exponentially distributed with a mean of 2,500 hours.

a. What is the probability the circuit will last more than 3,000 hours?

b. What is the probability the circuit will last between 2,500 and 2,750 hours?

c. What is the probability the circuit will fail within the first 2,000 hours?

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