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.
thank you
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