7.
\begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{43bc1e60-d8b2-4ea5-9652-4603a26c2f78-08_583_670_260_699}
\captionsetup{labelformat=empty}
\caption{Figure 5}
\end{figure}
Figure 5 shows a partially completed activity network for a project that consists of 14 activities.
- Complete the precedence table in the answer book for the 8 activities in Figure 5.
The precedence table for the remaining 6 activities is given below.
| Activity | Immediately preceding activities |
| I | D, E, G, H |
| J | D, E, G, H |
| K | E, G, H |
| L | I, J, K |
| M | J, K |
| N | J, K |
- Complete the activity network in the answer book for the project. Your completed activity network must contain only the minimum number of dummies.
Given that all 14 activities have the same duration,
- explain why activity D cannot be critical.