A Project Consists of Six Consecutive Tasks That Have Average

Multiple Choice

A project consists of six consecutive tasks that have average duration and worst-case duration estimates (in days) as shown in the table.Use Newbold's method to determine the aggregated two sigma buffer for this project. $$\begin{array} { | l | l | l | } \hline \text { Activity } & \text { Average } & \text { Worst-Case } \\\hline \mathbf { A } & 14 & 21 \\\hline \mathrm { B } & 20 & 28 \\\hline \mathrm { C } & 16 & 22 \\\hline \mathrm { D } & 8 & 15 \\\hline \mathrm { E } & 9 & 18 \\\hline \mathrm { F } & 11 & 18 \\\hline\end{array}$$

A) 44 days
B) 6 days
C) 17 days
D) 9 days