A Project Consists of Four Activities with Information as Shown

question 85

Multiple Choice

A project consists of four activities with information as shown in the table.What is the overall standard deviation of the project? $$\begin{array} { | l | l | l | l | } \hline \text { Activity } & \text { Predecessor } & \text { Length } & \text { Variance } \\\hline \text { A } & - & 10 & 4 \\\hline \text { B } & \text { A } & 12 & 3 \\\hline \text { D } & \text { B } & 16 & 5 \\\hline & \text { C } & 14 & 6 \\\hline\end{array}$$

• A) 24
• B) 18
• C) 8.41
• D) 4.24

---

Definitions:

Specific Items

Goods or commodities that are distinctly identified and provided in a market or contract.

Excise Taxes

Taxes imposed on specific goods, services, or transactions, often levied on items such as gasoline, tobacco, and alcohol.

Gasoline

A flammable liquid derived from petroleum, used mainly as fuel in most internal combustion engines.

Perfectly Inelastic

A situation where the quantity demanded or supplied of a good is unaffected by changes in its price.