Businesses have different peak hours. Employers need to know how many people to staff in order to serve their customers in a timely manner. Waiting for too long can cause consumers to become irritated and even lose the company business.
The theory is a math-based equation to determine when the busiest hours occur and how long a customer should wait. There are three parts to the theory: when the customers arrive, when they get help, and how they leave the store.Learn more about Psychology