OpenStax, Introductory Statistics 2e §5.3 The Exponential Distribution · Example 7 · Probability · Continuous distributions
The Exponential Distribution · Example 7
d. What is the probability that a computer part lasts between nine and 11 years?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §5.3 The Exponential Distribution · Example 7
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