A Single-Phase Waiting-Line System Meets the Assumptions of Constant Service

question 36

Multiple Choice

A single-phase waiting-line system meets the assumptions of constant service time or M/D/1.Units arrive at this system every 12 minutes on average.Service takes a constant 8 minutes.The average number in the system is approximately

• A)2.25.
• B)2.5.
• C)3.0.
• D)1.33.
• E)5.0.

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Definitions:

Securities Exchange Commission

A U.S. federal agency that oversees the securities markets and protects investors by maintaining fair, orderly, and efficient markets.

Social Security System

A governmental program designed to provide financial assistance to individuals during retirement, and in some cases, upon disability or to surviving family members upon a worker's death.

Transcontinental Railroad

A contiguous network of railroad trackage that crosses a continental landmass with terminals at different seas or ocean borders.

Protective Tariffs

Taxes imposed on imported goods to protect domestic industries from foreign competition by increasing the price of imported goods.