Question: 1. 2. 3. A project's completion time is uncertain and follows a normal distribution. The project has an expected completion time of 56 weeks, and

1. 2. 3. A project's completion time is uncertain

A project's completion time is uncertain and follows a normal distribution. The project has an expected completion time of 56 weeks, and with a project variance 6 weeks. The project manager wishes to determine the probability of finishing the project before the given deadline: 50 weeks from today. What is the corresponding z-value in determining the probability? Numbers only, keep 3-decimal if not exact, either round up or down is ok 0.0073 A future project has the following activity relationships and activity time estimates (in days): Activity Immediate Predecessor To Tm A None 4. 5 6 B A 1 7 11 C A 1 4 7 What is the activity variance of activity B? Numbers only. Keep 3-decimal if not exact, either round up or down is ok. A project's critical path is ADEF. The project activity information are as follows. What is the project's variance? Activity A B C D E F Mean FT 2 4 5 3 1 4 Variance 7 1 2 2 3 2 Input should be an exact number

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