Using Table 1, how much slack is associated with activity C? A. 0.0 weeks. B. 1.0 weeks. C. 4.0 weeks. D. 5.5 weeks. E. None of the above Using Table 1, the expected time to complete the project is A. 16 weeks. B. 15 weeks. C. 19 weeks. D. 20 weeks. E. None of the above Using Table 1, the variance of the project's total completion time is approximately A. 2.78 B. 3.88 C. 3.94 D.4.16 E. None of the above Using Table 1, the probability that the project could be completed in 23 weeks or less is approximately A. 0.94 P 0.87 C 0.89 D.0.91