A Single-Phase Waiting-Line System Meets the Assumptions of Constant Service

question 54

Multiple Choice

A single-phase waiting-line system meets the assumptions of constant service time or M/D/1. Units arrive at this system every 10 minutes on average. Service takes a constant 6 minutes. What is the average length of the queue, L_q, in units?

• A) 0.450
• B) 0.133
• C) 4.167
• D) -2.083
• E) 6

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Definitions:

Manufacturer Profit

The financial gain a manufacturing company secures from its operations after deducting costs associated with production and distribution.

Short Term

A period of time that is immediate or not far in the future, usually less than a year, often used in reference to planning or financial strategies.

Product Availability

the extent to which a product is obtainable in the desired quantities at the right time and place for customers.

Revenue

The total amount of income generated by the sale of goods or services related to a company's primary operations.