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The document presents a PERT network problem with 7 activities (A-G) and asks to: 1) Draw the network, find earliest/latest start/finish times and critical path. The critical path is A-C-D-E-G and the mean project duration is 19 days. 2) Find the variances of activities on the critical path, which are 144/36, 0, 4/36, 400/36, 16/36 with a standard deviation of 3.9581 days. 3) Calculate the probability the project takes 18-22 days, which is 38.53% due to the high variances of activities A and E.

Author

Hina Firdous

Language

EN