A Network Consists of the Following List A Draw the Network Diagram

question 58

Essay

A network consists of the following list. Times are given in weeks.
$$\begin{array} { | c | c | c | c | c | } \hline \text { Activity } & \text { Preceding } & \text { Optimistic } & \text { Probable } & \text { Pessimistic } \\\hline \mathrm { A } & - - & 5 & 11 & 14 \\\hline \mathrm { B } & - & 3 & 3 & 9 \\\hline \mathrm { C } & - - & 6 & 10 & 14 \\\hline \mathrm { D } & \mathrm { A } , \mathrm { B } & 3 & 5 & 7 \\\hline \mathrm { E } & \mathrm { B } & 4 & 6 & 11 \\\hline \text { F } & \mathrm { C } & 6 & 8 & 13 \\\hline \text { G } & \mathrm { D } , \mathrm { E } & 2 & 4 & 6 \\\hline \mathrm { H } & \mathrm { F } & 3 & 3 & 9 \\\hline\end{array}$$ a. Draw the network diagram.
b. Calculate the expected duration and variance of each activity.
c. Calculate the expected duration and variance of the critical path.
d. Calculate the probability that the project will be completed in less than 28 weeks.

Understand basic mathematical and measurement concepts, including fractions, ratios, and proportions.

Distinguish between different systems of measurement, such as metric and household systems.

Define and identify metric system prefixes and their unit values or decimal equivalents.

Recognize and describe basic mathematical operations and their terms, such as division and multiplication.

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Definitions:

Unemployment

A situation where individuals who are able and willing to work cannot find jobs, measured as a percentage of the labor force.

Expansionary Fiscal Policy

Government policy aimed at stimulating economic growth by increasing government spending, reducing taxes, or both.

Contractionary Monetary Policy

A monetary policy strategy used by central banks to reduce inflation and cool an overheating economy by increasing interest rates and reducing the supply of money.

Politicians

Individuals involved in politics, especially those holding or seeking office in government.