How much longer is the battery expected to last

Assignment Help Basic Statistics

Reference no: EM131769244

Question: The lifespan of a car battery averages six years. Suppose the battery lifespan follows an exponential distribution.

(a) Find the probability that a randomly selected car battery will last more than four years.

(b) Find the variance and the 95th percentile of the battery lifespan.

(i) Find the probability the battery will last an additional five years.

(ii) How much longer is this battery expected to last?

Reference no: EM131769244

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