larr Week 8-Homework: Chapters 11 and 16 Question 4 of 6 Activity Estimate(weeks) Estimates (weeks) Estimates (weeks) Predecessor(s) A 2 3 5 none B 2.5 4 5 A C 5 7 8 A D 3 5 7 B,C E 4 8 14 B,C F 2 5 8 D G 4 5 6 E H 6 6 8 F I 4 7 10 G J 2 3 3 H,I (Round your answers to 2 decimal places, e.g. 1.75.) Activity Variance. Activity A,B,C,D,E,F,G,H,I,J. Calculate the variance for each of the project activities