Question: Part I (15 points) Consider the following PERT project network and its expected activity times. (a) Compute ES, EF, LS, LF, slack for each activity.

Part I (15 points) Consider the following PERT

Part I (15 points) Consider the following PERT project network and its expected activity times. (a) Compute ES, EF, LS, LF, slack for each activity. (7 points) (b) What is(are) the critical path(s) and the minimum time to complete the project? ( 3 points) Critical path(s): Minimum time to complete the project: (c) Assume that variances for activity A,B, and C are 1 . The variances for activity D and E are 0.75. The variances for activity F,G and H are 2 . What is the project standard deviation? Show your work. Round to three decimal points. ( 2 points) (d) Calculate the probability of completing the project in 19 weeks. (3 points)

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