Consider the Following Work Breakdown Structure What Is the Estimated Expected (Mean) Time for Project Completion

question 83

Multiple Choice

Consider the following work breakdown structure: $$\begin{array}{r}\text { Duration Estimates (Days) }\quad\quad\quad\\\begin{array} { l c c c c } \text { Activity } & \text { Precedes } & \text { Optimistic } & \text { Most Likely } & \text { Pessimistic } \\\hline \text { Start } & \text { U, V } & - & - & - \\\text { U } & \text { W } & 35 & 50 & 65 \\\text { V } & \text { W, X } & 28 & 40 & 52 \\\text { W } & \text { Z } & 26 & 35 & 44 \\\text { X } & \text { Y } & 28 & 40 & 52 \\\text { Y } & \text { Z } & 26 & 29 & 38 \\\text { Z } & \text { End } & 36 & 60 & 84\end{array}\end{array}$$ What is the estimated expected (mean) time for project completion?

• A) 135 days
• B) 145 days
• C) 170 days
• D) 180 days
• E) 255 days

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Definitions:

Reactant Concentration

The amount of a substance present in a unit volume of a reaction mixture, influencing the rate at which a chemical reaction proceeds.

Metabolic Water

Water produced inside the body through the metabolic processing of food.

Dehydration Reactions

Chemical reactions that involve the loss of water from the reacting molecule or ion.