Question: Question 4 (1 mark): Consider a PERT network with the precedence relations specified in the table below. Activity Immediate Predecessor B Estimated duration (in days)

Question 4 (1 mark): Consider a PERT network with

Question 4 (1 mark): Consider a PERT network with the precedence relations specified in the table below. Activity Immediate Predecessor B Estimated duration (in days) 2, 6, 16 2, 2, 8 6, 8, 10 5, 6, 7 9,9,9 A D B E A, B (a) Draw the network & determine the critical path(s) (no formal procedure required). (b) Determine the variances of all activities on the critical path & calculate the probability that the project duration is between 14 & 19 days. Show all work

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