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Using the following project information, calculate the variance

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Using the following project information, calculate the variance for each of the project activities.

Activity Optimistic Time Most Likely Time Pessimistic Time Immediate Estimate(weeks) Estimates (weeks) Estimates (weeks) Predecessor(s)

A 3 6 9 none B 3 5 7 A C 4 7 12 A D 4 8 10 B E 5 10 16 C F 3 4 5 D,E G 3 6 8 D,E H 5 6 10 F I 5 8 11 G J 3 3 3 H,I

(Round your answers to 3 decimal places, the tolerance is +/-0.001.)

Activity Variance

A ______________ B _____________ C _______________ D _______________ E ____________ F _________________ G __________________ H _________________ I __________________ J ____________________