Question: 1. What is the expected time for activity B? 2. What is the variance for activity B? 3. Based on the calculation of estimated times,

1. What is the expected time for activity B? 2. What is the variance for activity B? 3. Based on the calculation of estimated times, what is the critical path?

Optimistic (Weeks) 4 2 8 1 Activity Immediate Description Predecessor(s) A B A A D B E D C F G F H F I E, G, H J I Most Likely (Weeks) 7 8 12 2 8 3 2 8 8 2 Pessimistic (Weeks) 10 20 16 3 22 4 2 10 12 3 6 2 2 6 4 1

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