A Network Consists of the Following List A Draw the Network Diagram

question 58

Essay

A network consists of the following list. Times are given in weeks.
$$\begin{array} { | c | c | c | c | c | } \hline \text { Activity } & \text { Preceding } & \text { Optimistic } & \text { Probable } & \text { Pessimistic } \\\hline \mathrm { A } & - - & 5 & 11 & 14 \\\hline \mathrm { B } & - & 3 & 3 & 9 \\\hline \mathrm { C } & - - & 6 & 10 & 14 \\\hline \mathrm { D } & \mathrm { A } , \mathrm { B } & 3 & 5 & 7 \\\hline \mathrm { E } & \mathrm { B } & 4 & 6 & 11 \\\hline \text { F } & \mathrm { C } & 6 & 8 & 13 \\\hline \text { G } & \mathrm { D } , \mathrm { E } & 2 & 4 & 6 \\\hline \mathrm { H } & \mathrm { F } & 3 & 3 & 9 \\\hline\end{array}$$ a. Draw the network diagram.
b. Calculate the expected duration and variance of each activity.
c. Calculate the expected duration and variance of the critical path.
d. Calculate the probability that the project will be completed in less than 28 weeks.

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Definitions:

Organizational Behavior

The study of how individuals and groups interact within organizations and the impact of these behaviors on performance and structure.

Representation

The action of speaking or acting on behalf of someone or the state of being so represented.

Leadership

The ability to influence, motivate, and enable others to contribute toward the effectiveness and success of the organizations of which they are members.

Coordination

The process of organizing people or groups so that they work together properly and well.