The Bank Manager of a Busy Downtown Location Found Herself

question 30

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 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 system utilization?

• A) There is no change.
• B) Utilization has dropped by 15%.
• C) Utilization has dropped by 30%.
• D) Utilization has dropped by 45%.

---

Definitions:

Factory Overhead Cost

Indirect costs associated with manufacturing, such as maintenance, utilities, and salaries of supervisors, not directly tied to specific product units.

Construction Contractor

A business or individual that agrees to construct a building or to manage a construction project in accordance with specified parameters.

Performance Report

A document that evaluates the performance of a project, department, or employee against set goals or benchmarks.

Employee Downtime

Periods when employees are not actively working due to breaks, equipment failure, or lack of demand.