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Consider the Following PERT/CPM Network with Estimated Times in Weeks

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Consider the following PERT/CPM network with estimated times in weeks.The project is scheduled to begin on May 1.  Consider the following PERT/CPM network with estimated times in weeks.The project is scheduled to begin on May 1.   The three-time estimate approach was used to calculate the expected times and the following table gives the variance for each activity:  \begin{array} { c c | c c }  \text { Activity } & \text { Variance } & \text { Activity } & \text { Variance } \\ \hline \text { A } & 1.1 & \mathrm { E } & 0.3 \\ \text { B } & 0.5 & \mathrm {~F} & 0.6 \\ \text { C } & 1.2 & \mathrm { G } & 0.6 \\ \text { D } & 0.8 & \mathrm { H } & 1.0 \end{array}   a.Give the expected project completion date and the critical path. b.By what date are you 99% sure the project will be completed? The three-time estimate approach was used to calculate the expected times and the following table gives the variance for each activity:  Activity  Variance  Activity  Variance  A 1.1E0.3 B 0.5 F0.6 C 1.2G0.6 D 0.8H1.0\begin{array} { c c | c c } \text { Activity } & \text { Variance } & \text { Activity } & \text { Variance } \\\hline \text { A } & 1.1 & \mathrm { E } & 0.3 \\\text { B } & 0.5 & \mathrm {~F} & 0.6 \\\text { C } & 1.2 & \mathrm { G } & 0.6 \\\text { D } & 0.8 & \mathrm { H } & 1.0\end{array}
a.Give the expected project completion date and the critical path.
b.By what date are you 99% sure the project will be completed?


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