Mathematics, 26.02.2020 01:55, snikergrace

The life of automobile voltage regulators has an exponential distribution with a mean life of six years. You purchase an automobile that is six years old, with a working voltage regulator and plan to own it for two years.
(a) What is the probability that the voltage regulator fails during your ownership?
(b) If your regulator fails after you own the automobile for three years and it is replaced, what is the mean time until the next failure?

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The life of automobile voltage regulators has an exponential distribution with a mean life of six ye...