Use the Values in the Table to Calculate Activity Durations

question 84

Essay

Use the values in the table to calculate activity durations and variances for the project.Which path is critical? How closely should the other path be watched and why? $$\begin{array} { | l | l | l | l | l | } \hline \text { Activity } & \text { Predecessor } & \text { Optimistic } & \text { Likely } & \text { Pessimistic } \\\hline \text { A } & - & 5 & 7 & 10 \\\hline \text { B } & \text { A } & 4 & 6 & 9 \\\hline \text { C } & \text { A } & 10 & 13 & 18 \\\hline \text { D } & \text { B } & 8 & 11 & 15 \\\hline \text { E } & \text { C, D } & 2 & 3 & 5 \\\hline\end{array}$$

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Barter

The direct exchange of one good or service for another good or service.

Barter

A system of exchange where goods or services are traded directly for other goods or services without the use of money.

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The act of giving one item of value in return for another, especially in a commercial context.

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Occur when the market does not allocate resources efficiently on its own, leading to a loss of economic welfare.