The following table of probabilistic time estimates (in weeks) and activity predecessors are provided for a project. Table 9.2 Activity a Reference: Ref 9-2 E Time Estimates (weeks) b Activity Predecessor A 3 5 7 B 4 8 10 A C 2 B 5 A D 6 E 6 6 12 B, C 15 D Using Table 9.2, the probability that the project could be completed in 34 weeks or less is approximately Select one: O A. 0.89. O B. 0.91. O C. 0.86. O D. 0.96