Table 39
All Activity Times for the Project Are in Weeks

Table 3.9
All activity times for the project are in weeks.
$$\begin{array} { | c | c | c | c | c | } \hline \text { Activity } & \begin{array} { c } \text { Optimistic } \\\text { Time }\end{array} & \begin{array} { c } \text { Most Likely } \\\text { Time }\end{array} & \begin{array} { c } \text { Pessimistic } \\\text { Time }\end{array} & \begin{array} { c } \text { Immediate } \\\text { Predecessor(s) }\end{array} \\\hline \text { A } & 3 & 4 & 5 & \cdots \\\text { B } & 5 & 7 & 9 & - \\\text { C } & 2 & 3 & 10 & \text { A } \\\text { D } & 2 & 5 & 8 & \text { B } \\\text { E } & 1 & 7 & 7 & \text { B } \\\text { F } & 3 & 5 & 7 & \text { C,D } \\\text { G } & 7 & 8 & 9 & \text { D,E } \\\text { H } & 2 & 6 & 10 & F \\\hline\end{array}$$
-Using Table 3.9,if the expected time for activity E is changed to 9 weeks,by how many weeks will the projects expected completion time increase?

A) It will not change.
B) It will increase by 1 week.
C) It will increase by 2 weeks.
D) It will increase by 3 or more weeks.