Consider a Five-Mile-Long Railroad Tunnel

question 22

Multiple Choice

Consider a five-mile-long railroad tunnel. Tunnel experts and advocates estimate the total cost to be $200 million. What is the reference class for this project? But reference class projects in this area have been over-budget by 30%. So, what should the actual revised budget number be for this proposed five-mile tunnel project?

• A) Past bridge projects, $230 million
• B) Past tunnel projects, $260 million
• C) Past highway projects, $200 million
• D) Past building projects, $230 million
• E) Past construction projects, $230 million

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Definitions:

Visceral Organs

Internal organs of the body, especially those within the chest (such as the heart or lungs) or abdomen (such as the liver, pancreas, and intestines).

Hypothalamus

A small region of the brain's diencephalon involved in hormone regulation and many vital processes, such as temperature control and hunger.

Retarded Growth

Delayed or slowed physical development, often due to nutritional, genetic, or hormonal factors.

Water Intake

The process of consuming water to maintain the body's fluid balance essential for health and survival.