• Determine the Expected Durations of each activity using PERT formula.
• Draw a network diagram based on the precedence information in the table.
• Perform a forward and backward pass to determine the Float/Slack for each activity and the critical path.
• Show work and Excel process

Cheers!

\begin{tabular}{|c|c|c|c|c|c|c|} \hline \multirow[b]{2}{*}{ Activities } & & \multicolumn{4}{|c|}{ DURATION CALCULATIONS } & \multirow{2}{*}{\begin{tabular}{|l|} FLOAT/SLACF \\ \end{tabular}} \\ \hline & Predecessor Activity & \begin{tabular}{|l|l|} Optimistic \\ \end{tabular} & Most Likely & Pessimistic & Expected & \\ \hline A - Determine Building Type & = & 5 & 6 & 13 & & \\ \hline B - Obtain Permit & A & 6 & 10 & 14 & & \\ \hline C. Prep Site & A & 9 & 15 & 21 & & \\ \hline D - Set Building & B,C & 4 & 8 & 12 & & \\ \hline E-Paint Building & D & 7 & 15 & 20 & & \\ \hline F. Install Wiring & D & 6 & 10 & 17 & & \\ \hline G. Hang Lights & F & & 7 & 9 & & \\ \hline H-Move In & E,G & 3 & 5 & 10 & & \\ \hline & & & & & & \\ \hline & & & & & & \\ \hline & & & Critical Path = & & & \\ \hline \end{tabular}