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%.

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Definitions:

Weak Methodology

A reference to research or analytical approaches that possess limitations, flaws, or lack rigorous standards.

OD Interventions

Actions and processes applied in organizational development to improve an organization's effectiveness through planned change.

OD

Organizational Development, a field focused on interventions in the work processes and structures of an organization with the aim of improving its effectiveness and health.

Supervisors

Individuals in an organization responsible for overseeing the work of others and ensuring tasks are completed effectively.