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Exhibit 3. Consider the following project network and activity times (in weeks): How much time will be needed to complete this project? a) 22 weeks b) 21 weeks c) 23 weeks d) 24 weeks Exhibit 3. Consider the following project network and activity times (in weeks): Identify the critical path? a) B-E-F-H b) B-E-G c) ACH Exhibit 4. A project manager has discovered that three tasks are on the critical path for a particular project. She has developed the time estimates (in days) shown in the table below. Complete the table and determine the probability that the project will be completed in 20 days or less. A) Approximately 75 percent B) Approximately 88 percent C) Approximately 84 percent D) Approximately 92 percent