Use the table below with variable times to:

Draw the network diagram

Identify the critical path and its duration

Calculate variance of each activity

Find expected duration and variance of critical path

Find the probability (using z-score table) that the project will be completed in 29 weeks

\begin{tabular}{|c|c|c|c|} \hline Activity & Optimistic (weeks) & Most Ukely (weeks) & Pessimistic (weeks) \\ \hline 12 & 3 & 5 & 13 \\ \hline 13 & 1 & 2 & 15 \\ \hline 24 & 6 & 7 & 8 \\ \hline 34 & 2 & 5 & 14 \\ \hline 26 & 2 & 4 & 12 \\ \hline 45 & 4 & 6 & 8 \\ \hline 46 & 5 & 9 & 13 \\ \hline 57 & 1 & 2 & 3 \\ \hline 67 & 1 & 4 & 7 \\ \hline \end{tabular}