A Project Has Three Independent Stages That Must Be Completed

question 26

Multiple Choice

A project has three independent stages that must be completed in sequence.The time to complete each stage is a random variable.The expected times to complete the stages are μ1 = 23,μ2 = 11,μ3 = 17.The expected project completion time is

• A)51
• B)23
• C)40
• D)32

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Definitions:

Gaseous Chemical Products

Substances in their gaseous state that are produced through chemical reactions for various industrial, medical, or domestic purposes.

Explosion

A sudden and violent release of energy that results in a rapid increase in volume and release of gases, often accompanied by heat, light, and sound.

Energy

The quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

PETN

Pentaerythritol tetranitrate, a high explosive compound used in a variety of military, industrial, and mining applications.