OpenStax, Introductory Business Statistics 2e §5.3 The Exponential Distribution · Exercise 34 · Probability · Continuous distributions
The Exponential Distribution · Exercise 34
The average lifetime of a certain new smartphone is three years. The manufacturer will replace any smartphone failing within two years of the date of purchase. The lifetime of these smartphone is known to follow an exponential distribution.
What is the median lifetime of these smartphones (in years)?
(a) 0.1941
(b) 1.3863
(c) 2.0794
(d) 5.5452
OpenStax, Introductory Business Statistics 2e · §5.3 The Exponential Distribution · Exercise 34
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