A Multiple Server Queuing System with a Poisson Arrival Rate

question 13

Multiple Choice

A multiple server queuing system with a Poisson arrival rate and exponential service time has an average arrival rate of 4 customers per hour and an average service time of 18 minutes per customer.The minimum number of servers required to avoid an overloaded system is:

• A)1
• B)2
• C)3
• D)4
• E)5

---

Definitions:

Venturi Mask

A medical device used to deliver a specific concentration of oxygen to patients by mixing oxygen with inhaled air.

Chronic Obstructive Pulmonary Disease

A group of progressive lung diseases, including emphysema and chronic bronchitis, characterized by long-term breathing problems and poor airflow.

Tuberculin Skin Test

A diagnostic method to determine if a person has been exposed to tuberculosis bacteria, involving the injection of a small amount of tuberculin into the skin.

Induration

A medical term for an area of hardened tissue, typically resulting from inflammation, infection, or the reaction to a skin test.