At the drive through window of bank it's found that 10 customers get served every 15 minutes. The bank's manage is interested in finding out a way to raise the number of customers which can be served. He thought that knowing the probability of serving 12 customers per 15 minutes could be helpful to him in decision making process. Select the best answer of the following:
a This is an example of a Poisson probability experiment
b This is an example of a Binomial probability experiment
c This is neither a Poisson nor a Binomial probability experiment
d Not enough information to determine the type of experiment