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

question 101

Essay

A network consists of the following list. Times are given in weeks.
$\begin{array}{|c|c|c|}\hline \text { Activity } & \text { Preceding } & \text { Duration } \\\hline \text { A } & -- & 9 \\\hline \text { B } & \text { A } & 2 \\\hline \text { C } & \text { A } & 12 \\\hline \text { D } & \text { A } & 5 \\\hline \text { E } & \text { B } & 6 \\\hline \text { F } & \text { B } & 8 \\\hline \text { G } & \text { C, F } & 3 \\\hline \text { H } & \text { D } & 2 \\\hline \text { I } & \text { H } & 8 \\\hline \text { J } & \text { G, I } & 6 \\\hline \text { K } & \text { E, J } & 2 \\\hline\end{array}$
a. Draw the network diagram.
b. Which activities form the critical path?
c. How much slack exists at activities A and F?
d. What is the duration of the critical path?

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