can anyone help me solve this?

x Your answer is incorrect. Using the following project information Optimistic Time Estimate(weeks) Activity 2 2.5 5 ABCDEFG 3 4 2 4 H 1 2 The critical path is A-C-E-G-I-J. 6 4 Most Likely Time Estimates (weeks) 3 4 7 5 6 5 Pessimistic Time Estimates (weeks) 5 5 O a 6 5673 4879 11 3 14 Immediate Predecessor(s) none A A B, C B, C D E F G H, I 99. The critical path is A-C-E-G-I-J. Activity A B C DE F G H I J Variance 0.25 0.17 0.44 0.25 2.78 1.00 0.25 0.25 1.36 0.03 D (a) Calculate the probability that the project will be completed in 31 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.) P(projects 31) - 0985 (b) Calculate the probability that the project will be completed in 34 weeks. (Round your answer to 4 decimal places, e.g. 1.7945.) P(projects 34) = 5160 eTextbook and Media Save for Later