For a Single-Server, Single-Line, Single-Phase Waiting Line System, Where

question 82

Multiple Choice

For a single-server, single-line, single-phase waiting line system, where  represents the mean arrival rate of customers and  represents the mean service rate, what is the formula for the average number of customers in the system?

• A)  / 
• B)  / (    )
• C)  ² /  (    )
• D) 1 / (    )
• E)  /  (    )

---

Definitions:

Endodermal Cells

Cells that form the endoderm, the innermost layer of the embryo, giving rise to the lining of the digestive and respiratory tracts.

Mycorrhizal Relationship

A symbiotic association between a fungus and the roots of a vascular host plant, improving nutrient and water uptake.

Minerals

Inorganic substances required in small amounts for the body's metabolic processes, including bone formation and hormone synthesis.

Sugars

Simple carbohydrates that are used as a primary source of energy by living organisms.