The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds. a. Sketch this exponential probability distribution. b. What is the probability that the arrival time between vehicles is 12 seconds or less

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Answer:

.5126

Step-by-step explanation:

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Answer:

Step-by-step explanation:

What is the probability that the  arrival time between vehicles is 12 seconds or less?

0.6321

in excel use =EXPON.DIST(12,1/12,TRUE)