The number of arrivals per unit of time at a service facility can frequently be described by a
A)normal distribution.
B)Poisson distribution.
C)binomial distribution.
D)Beta distribution.

Question

Quizplus · Accepted Answer

The Poisson distribution is typically used to model the number of arrivals per unit of time at a service facility, especially when the arrivals are random and unpredictable. It is a discrete probability distribution that only considers the number of arrivals, and not the time between them or any other variables. Therefore, B is the best choice.

The Number of Arrivals Per Unit of Time at a Service