For a Single-Server,single-Line,single-Phase Waiting Line System,where $\lambda$ Represents the Mean Arrival Rate of Customers And

question 20

Multiple Choice

For a single-server,single-line,single-phase waiting line system,where $\lambda$ represents the mean arrival rate of customers and $\mu$ represents the mean service rate,what is the formula for the average time spent waiting in line?

• A)\(\lambda\) / \(\mu\)
• B)\(\lambda\)/ (\(\mu\)-\(\lambda\))
• C)\(\lambda\)² / \(\mu\)(\(\mu\)-\(\lambda\))
• D)1 / (\(\mu\)-\(\lambda\))
• E)pW Ref pdf pg 66