NETWORK: PERT 1 4W2

Consider the following table:

ACTIVITY PREC. ACT. TIME ESTIMATES (days)

t_o t_ml t_p t_e

A --- 2 3 4

B --- 2 4 6

C --- 2 4 6

D A 3 4 5

E B 2 5 8

F C 2 4 6

G D, E, F 4 6 8

5) What is the likelihood of this project being completed in more than 16 days?

6) Between 14 and 15 days?

I already have the answer for the question on the bottom, just putting them here for reference.

1) Construct a PERT network.

[NOTE: This is the most crucial part of the exercise. Make sure you have the correct network before proceeding to the next sections.]

2) By using ES, EF, LF, LS, find the slack of each activity and the critical path.

3) Find the completion time(Xbar) and the standard deviation () for the project round off the standard deviation to the nearest hundredth: two decimal places.

4) What is the completion time at 95% confidence level?