Given the same network as discussed in the lecture:

activities.png

Recall that the critical path is $2-5-8-11$ and their variances are $1,1/9,16/9,$ and $4,$ respectively. Thus, the project completion time along the critical path is normally distributed with mean $25$ weeks and standard deviation $2\mathrm{.}63$ weeks.

What is the project's expected completion time?

Group of answer choices

$27$ weeks

$22$ weeks

$41$ weeks

$25$ weeks