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

question 106

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 waiting in line?

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

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Definitions:

Risk Averter

An individual who prefers outcomes that are certain over those with any level of risk, usually willing to accept lower returns to avoid uncertainty.

Expected Value

A calculated average outcome of a random variable, considering all possible outcomes and their probabilities.

Natural Log

A logarithm to the base e (where e is approximately 2.71828), used extensively in mathematical, economic, and scientific applications.

Risk Averter

An individual or entity that prefers to avoid uncertainty and potential losses when making investment or financial decisions.