Suppose the workgroup is run by a major company. A tourism project consists of the execution of 13 activities, which contain the following information:

 Where a, m and b are expressed in weeks and follows a beta distribution. Based on these data, you are asked to answer the following questions:
a. Obtain the network diagram for this project and identify all the routes. Identify critical paths and determine project duration.
b. Based on the information resulting from letter a, design your GANTT Chart, considering that all activities must be carried out at their latest possible times.
c. Find the probability that the project will be completed no later than 28 weeks.
d. Estimate the maximum number of weeks the project is expected to be completed if investors demand reliability reaching 95%.

Actividad Precedencia a m b A B C D E B 5 2 3 9 4 5 13 12 7 - ~ 5 CALM 5 14 A 2 2 1 7 18 DAS 3 11 F G D C, E 2 6 16 HIJ C, E 4 8 18 B 4 9 20 H IN 2 st 4 6 M G, J 1 4 13 N F, I 1 O OH36 35 H 3 6 21