Mgmt 6360 pom calculate es ef ls lf and slack for all

Question

1. A student wants to schedule a project using PERT. She has determined the following activities, precedence relationships and time estimates in days for the project.

TIME estimateExpTimeVariance

Act      t_o         t_m         t_p         t_e           V_t                  

a          4          6          7          5.83      0.250 

b          1          2          3          2.00      0.111 

c          5          5          5          5.00      0.000 

d          7          9          12         9.17      0.694

e          2          4          8          4.33      1.000

f           6          9          10         8.67      0.444

a) Name all potential paths and their path durations.

b) Calculate ES, EF, LS, LF, and slack for all activities.

c) How many days can activity "e" be delayed without extending project duration?