SOLUTION: The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 10 seconds. What is the probability that the ar

Question 464991: The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 10 seconds.
What is the probability that the arrival time between vehicles is 12 seconds or less (to 4 decimals)?

What is the probability that the arrival time between vehicles is 6 seconds or less (to 4 decimals)?

What is the probability of 30 or more seconds between vehicle arrivals (to 4 decimals)?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The mean of the exponential function is . ==> .
==> Cdf is
==>
==>
==>
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