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,what is the probability that the project will be completed in 24 weeks or less? You will need to refer to a standard normal table to answer the question.

A) less than or equal to 55%
B) greater than 55% but less than or equal to 65%
C) greater than 65% but less than or equal to 75%
D) greater than 75%