The commute time for people in a city has an exponential distribution with an average of...
The commute time for people in a city has an exponential distribution with an average of 0.5 hours. What is the probability that a randomly selected person in this city will have a commute time between 0.4 and 0.8 hours?
Homework Answers
solution
=10.
P(0.4 ≤ x ≤0.8) =P(X≤0.8)−P(X≤0.4)
= e−0.4/0.5 − e−0.8/0.5
=0.4493−0.2019
=0.2474
probability =0.2474
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