Please, use the following data to solve the problem, if you do not know how to use Excel-OM, and do not know the answer, please do not answer.

Thank you! Please, make it as detailed as possible with critical path explanation.

Use Project Management module of Excel-OM to find the critical path and the required probability of completion.

The major tasks required to be completed for finishing the gate area at Newark Airport has been determined with the help of vendors and Eco-Jet operations personnel. Notes: - ' a ' represents the optimistic time in days to perform a task. - ' m ' represents the most likely time in days to perform a task. - b ' represents the pessimistic time in days to perform a task. - The time estimates remain the same for all three vendors