Problem 1: Use the work breakdown structure (WBS) and activity duration data to do the following:

  • On a separate sheet, create an activity on node (AON) diagram for this project. Draw it neatly. Identify the critical path.
  • Calculate the Expected Time (TE) for each activity. All times are in weeks. Round off your answers for TE to two decimal places.
  • Using the TE time, solve for the early start, early finish, late start, late finish, and slack time for each activity. Show your answers on the diagram.
  • Calculate the weekly crash costs.
  • Use the normal probability density function to estimate the probability that the project will be completed within 1 week of its scheduled completion time and to estimate a 90% Confidence interval for the project completion time.

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ActivityPredecessorOptimistic TimeMost Likely TimePessimistic TimeTESAvailable Crash WeeksCrash Cost(Additional $ Above Activity PV)Crash Cost Per Week
A1240NA
BA3582$30,000
CB47120NA
DC2350NA
EB68122$25,000
FE2350NA
GE89123$20,000
HD, F, G1230NA

Requirements: Original work

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Problem 1: Use the work breakdown structure (WBS) and activity duration data to do the following:
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