Question: A small project is composed of seven activities whose time estimates are given in the following table: Activity A (1,2) B (1,3) C (1,4)

A small project is composed of seven activities whose time estimates are

A small project is composed of seven activities whose time estimates are given in the following table: Activity A (1,2) B (1,3) C (1,4) D (2,5) E (3,5) F (4,6) G (5,6) Time required (days) Optimistic 6 6 12 6 12 12 18 Most likely 6 12 12 6 30 30 30 (a) Find the expected duration and variance for each activity. (b) What is the expected project length? Pessimistic 24 18 30 6 48 42 54

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