Consider the following work breakdown structure: $\begin{array}{r}
\text { Duration Estimate (Days) }\quad \quad \quad \quad \
\begin{array}{lccccc}
& \text { Start } & \text { Finish } \
\text { Activity } & \text { Node } & \text { Node } & \text { Optimistic } & \text { Most Likely } & \text { Pessimistic } \
\hline \text { A } & 1 & 2 & 9 & 15 & 21 \
\text { B } & 1 & 3 & 13 & 21 & 23 \
\text { C } & 2 & 4 & 6 & 9 & 18 \
\text { D } & 2 & 5 & 23 & 35 & 47 \
\text { E } & 3 & 5 & 19 & 26 & 27 \
\text { F } & 4 & 6 & 23 & 29 & 41 \
\text { G } & 5 & 6 & 14 & 20 & 26 \
\text { H } & 6 & 7 & 2 & 5 & 8
\end{array}\end{array}$ What are the estimated standard deviations (in weeks) in the times for activities A-H?

Question

Consider the following work breakdown structure: $\begin{array}{r}
  \text { Duration Estimate (Days) }\quad \quad \quad \quad  \
\begin{array}{lccccc} 
& \text { Start } & \text { Finish } \
\text { Activity } & \text { Node } & \text { Node } & \text { Optimistic } & \text { Most Likely } & \text { Pessimistic } \
\hline \text { A } & 1 & 2 & 9 & 15 & 21 \
\text { B } & 1 & 3 & 13 & 21 & 23 \
\text { C } & 2 & 4 & 6 & 9 & 18 \
\text { D } & 2 & 5 & 23 & 35 & 47 \
\text { E } & 3 & 5 & 19 & 26 & 27 \
\text { F } & 4 & 6 & 23 & 29 & 41 \
\text { G } & 5 & 6 & 14 & 20 & 26 \
\text { H } & 6 & 7 & 2 & 5 & 8
\end{array}\end{array}$ What are the estimated standard deviations (in weeks) in the times for activities A-H?

Quizplus · Accepted Answer

The Answer of Consider the following work breakdown structure: $\begin{array}{r}
  \text { Duration Estimate (Days) }\quad \quad \quad \quad  \
\begin{array}{lccccc} 
& \text { Start } & \text { Finish } \
\text { Activity } & \text { Node } & \text { Node } & \text { Optimistic } & \text { Most Likely } & \text { Pessimistic } \
\hline \text { A } & 1 & 2 & 9 & 15 & 21 \
\text { B } & 1 & 3 & 13 & 21 & 23 \
\text { C } & 2 & 4 & 6 & 9 & 18 \
\text { D } & 2 & 5 & 23 & 35 & 47 \
\text { E } & 3 & 5 & 19 & 26 & 27 \
\text { F } & 4 & 6 & 23 & 29 & 41 \
\text { G } & 5 & 6 & 14 & 20 & 26 \
\text { H } & 6 & 7 & 2 & 5 & 8
\end{array}\end{array}$ What are the estimated standard deviations (in weeks) in the times for activities A-H?

Consider the Following Work Breakdown Structure What Are the Estimated Standard Deviations (In Weeks) in the Duration