The potholes in a long road occur as a Poisson process of rate 4 per mile. In other words, if we let R(t) = the number of potholes in the first t miles of the road then the random variables (R(t): t > 0) form a Poisson process of rate 4.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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I cycle for 5 miles along the road. What is the expectation of the number of
potholes I pass?
A repair crew travel along the road, repairing each pothole they pass until they
have repaired 10 potholes. What is the expectation of the distance they travel?
Transcribed Image Text:I cycle for 5 miles along the road. What is the expectation of the number of potholes I pass? A repair crew travel along the road, repairing each pothole they pass until they have repaired 10 potholes. What is the expectation of the distance they travel?
The potholes in a long road occur as a Poisson process of rate 4 per mile. In other
words, if we let
R(t) = the number of potholes in the first t miles of the road
then the random variables (R(t): t > 0) form a Poisson process of rate 4.
Transcribed Image Text:The potholes in a long road occur as a Poisson process of rate 4 per mile. In other words, if we let R(t) = the number of potholes in the first t miles of the road then the random variables (R(t): t > 0) form a Poisson process of rate 4.
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