Toll Station Narrative
It is known that between 8 and 10 a.m. on Saturdays, cars arrive at a certain toll station at a rate of 60 per hour. Assume that a Poisson process is occurring and that the random variable x represents the number of cars arriving at the station between 9:00 and 9:05 a.m.
-Refer to Toll Station Narrative. What is the standard deviation of the number of cars arriving at the toll station between 9:00 and 9:05 a.m.?

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The Answer of Toll Station Narrative
It is known that between 8 and 10 a.m. on Saturdays, cars arrive at a certain toll station at a rate of 60 per hour. Assume that a Poisson process is occurring and that the random variable x represents the number of cars arriving at the station between 9:00 and 9:05 a.m.
-Refer to Toll Station Narrative. What is the standard deviation of the number of cars arriving at the toll station between 9:00 and 9:05 a.m.?

Toll Station Narrative It Is Known That Between 8 and 10 A.m. on 10