The Bank Manager of a Busy Downtown Location Found Herself

question 44

Multiple Choice

The bank manager of a busy downtown location found herself unable to find good teller help so she invested in an ATM to handle the routine withdrawals that tended to occupy an inordinate amount of the teller's time. Before she installed the ATM she found that customers were arriving on average every 2 minutes (Poisson distributed) and it took a teller 30 seconds (exponentially distributed) to process their request. The ATM is able to maintain a constant 30 second service time. What is the impact on the number of customers waiting in line?

• A)There is no change.
• B)The ATM line is half as long as the teller line.
• C)The ATM line is twice as long as the teller line.
• D)The ATM line is 25% shorter than the teller line.

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Definitions:

Reinforcement And Punishment

Methods used in behavioral psychology to modify behavior, where reinforcement encourages a behavior and punishment decreases its likelihood.

Right Hemisphere

The right side of the human brain, associated with spatial abilities, face recognition, visual imagery, and music processing.

Mathematical Information

Refers to data and knowledge related to mathematics, including formulas, theories, and applications.

Social Constructionists

Theorists who argue that realities are constructed through social processes and interactions, emphasizing the ways in which social phenomena are created, institutionalized, and made into tradition.