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

question 6

Essay

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:
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$$\begin{array} { c c | c c } \text { Activity } & \text { Variance } & \text { Activity } & \text { Variance } \\\hline \text { A } & 1.1 & \mathrm { E } & 0.3 \\\text { B } & 0.5 & \mathrm {~F} & 0.6 \\\text { C } & 1.2 & \mathrm { G } & 0.6 \\\text { D } & 0.8 & \mathrm { H } & 1.0\end{array}$$
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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Definitions:

Contribution Format

An income statement format that highlights variable costs and fixed costs, making it easier to see the contribution margin.

Break-Even Point

The point at which total costs equal total revenue, meaning no net loss or gain is incurred from business activities.

Tiling Grout

A mixture used to fill in the gaps between tiles once they have been set in place, ensuring stability and a finished look.

Unit Sales

The total number of individual units of a product sold in a specific period.