For a Single Server, Single Queue System with an Arrival

question 105

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 number of customers in the system (to two decimal places) ?

• A) 2.00
• B) 4.00
• C) 3.20
• D) Cannot be determined from the information given

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Definitions:

Prospective Design

A research design that follows participants forward over a period of time to observe future outcomes.

Cross-sectional Design

A research design that analyzes data from a population, or a representative subset, at a specific point in time to examine relationships between variables.

Observational Study

A research method involving the collection of data without interference with the subjects’ natural environment.

Case-control

A type of observational study that compares individuals with a specific condition (cases) to those without the condition (controls) to identify potential risk factors.