CAS Exam MAS-I Fall 2019, Question 4
Study guide: Exam MAS-I
A building is powered by three generators with independent lifetimes, each following an exponential distribution with mean of one year. All three generators are started at the same time.
Let T be the time in years between the first and last generator failure.
Calculate E[T].
- A) Less than 0.8
- B) At least 0.8, but less than 1.2
- C) At least 1.2, but less than 1.6
- D) At least 1.6, but less than 2.0
- E) At least 2.0
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