A Manager Is Trying to Improve a Single-Server Queueing System

question 29

Multiple Choice

A manager is trying to improve a single-server queueing system through automation. The average service time is 20 minutes per customer, exponentially distributed, and the arrival rate is 16 customers per 8-hour day (Poisson arrivals) . The automated system will have a constant service time of 16 minutes. The effect of this change will

• A) decrease utilization.
• B) increase waiting time.
• C) decrease waiting time.
• D) have no effect since the service time is unchanged.

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Definitions:

Cochlea

The structure of the inner ear of mammals that contains the auditory receptors (organ of Corti).

Semicircular Canals

Three fluid-filled tubes in the inner ear that play a key role in maintaining balance and spatial orientation.

Auditory Receptors

Cells or structures in the ear that are sensitive to sound, enabling hearing by converting sound waves into electrical signals.

Hair Cells

Sensory cells located in the inner ear of vertebrates, responsible for converting sound vibrations into electrical signals.