Question

Traffic volume is an important factor for determining the most cost-effective method to surface a road....

Traffic volume is an important factor for determining the most cost-effective method to surface a road. Suppose that the average number of vehicles passing a certain point on a road is 2 every 30 seconds.

Explain why to find the probability that more than 5 cars will pass the point in 1 minute (60 seconds) can be found with the R-code:

1-ppois(5,4)

#or ppois(5,4, lower.tail = FALSE)

Hint: First find what the average number of vehicles passes through the point in 1 minute.

Math   Statistics-And-Probability   
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