OpenStax, Introductory Statistics 2e §5.3 The Exponential Distribution · Try It 7 · Probability · Continuous distributions
The Exponential Distribution · Try It 7
In a small city, the number of automobile accidents occur with a Poisson distribution at an average of three per week.
(a) Calculate the probability that there are at most 2 accidents occur in any given week.
(b) What is the probability that there is at least two weeks between any 2 accidents?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §5.3 The Exponential Distribution · Try It 7
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