It can be Poison as well if the number of people entering that place over time is very small.
A researcher is investigating pedestrian traffic congestion at the entries to a public space. One of the statistics recorded is the number of pedestrians using each entry (passing in or out) in successive 10-minute periods during a working day. If X is the number of pedestrians recorded in each 10-minute interval, would X follow a binomial distribution? Justify your answer.
i recon it would, but i'd be guessing
It is a discrete probability distribution Poisson distribution - Wikipedia, the free encyclopedia