For a Single Server, Single Queue System with an Arrival

question 1

Multiple Choice

For a single server, single queue system with an arrival rate of 8 customers per hour and a service rate of 10 customers per hour, what is the mean server utilization (to two decimal places) ?

• A) 1.25
• B) 0.80
• C) 2.00
• D) Cannot be determined from the information given

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Definitions:

Weighted Average

A mathematical calculation that takes into account both the magnitude and the significance of each number in a set to find an average value weighted by importance or size.

Homogeneous Products

Goods that are considered identical by consumers, and can be substituted for one another, such as commodities.

Perpetual Methods

Inventory accounting systems where updates are made continuously to reflect the buying, selling, and production of goods.

Periodic

Occurring or repeating at regular intervals of time, often used to describe recurring financial or reporting events.