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Consider a Project That Has Been Modeled as Follows:

question 55

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Consider a project that has been modeled as follows:

 Activity  Immediate Predecessors  Duration (hr)  A 7 B 10 C  A 4 D  A 30 E  A 7 F  B,C 12 G  B,C 15 H  E,F 11 I  E,F 25 J  E,F 6 K  D, H 21 L  G,J 25\begin{array} { c c c } \text { Activity } & \text { Immediate Predecessors } & \text { Duration (hr) } \\\hline \text { A } & \cdots & 7 \\\text { B } & \cdots & 10 \\\text { C } & \text { A } & 4 \\\text { D } & \text { A } & 30 \\\text { E } & \text { A } & 7 \\\text { F } & \text { B,C } & 12 \\\text { G } & \text { B,C } & 15 \\\text { H } & \text { E,F } & 11 \\\text { I } & \text { E,F } & 25 \\\text { J } & \text { E,F } & 6 \\\text { K } & \text { D, H } & 21 \\\text { L } & \text { G,J } & 25\end{array}
a.Draw the PERT/CPM network for this project and determine project's expected completion time and its critical path.
b.Can activities E and G be performed simultaneously without delaying the minimum project completion time?
c.Can one person perform A,G,and I without delaying the project?
d.By how much can activities G and L be delayed without delaying the entire project?
e.How much would the project be delayed if activity G was delayed by 7 hours and activity L was delayed by 4 hours? Explain.

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Definitions:

Preferential Treatment

The act of giving favorable treatment or advantages to a person or group over others, often based on personal biases or for strategic reasons.

Symbolic Ethnicity

A nostalgic allegiance to the culture of the immigrant generation, or that of the old country, that is not usually incorporated in everyday behavior.

Situational Ethnicity

The concept that one's ethnic identity can be fluid and change in different social contexts.

Difference

A distinct separation or variation between two or more things, often highlighting unique characteristics or qualities.

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