both B and C are correct. i need the answer to D

NH Nab Deskron Cure Mindre Cathering Ch 5 Homework He Save & alt Suomi You received partial credit in the previous attempt View previous attempt Chechey werk 3 THEDIATE ACTIVITY PREDECESSOR 15 be TIME DAY 1 1 + 4 5 3 7 12 1 . 12 2 10 2 3 10 12 046.00 c. bis T. b. What is the critical path? O ACEH AD-GH CAD-FH BEGH c. What is the expected project completion time? (Round your answer to 3 decimal places) Project completion time 1 days d. What is the probability of completing this project within 19 days? (Do not round Intermediate calculations. Round your answer to 4 decimal places) Problem 3 Using the PERT method review the following data for a project that should be scheduled using CPM: IMMEDIATE ACTIVITY PREDECESSORS B D E B E C,D G DE F,G 114U TIMES (DAYS) a m b 1 1 4 4 5 6 3 1 9 1 8 1 12 2 10 2 3 11 10 b. What is the critical path? OA-C-F.H A-D-G-H O A-D-F-H B-E-G-H c. What is the expected project completion time? (Round your answer to 3 decimal places.) Project completion time 18.5 days d. What is the probability of completing this project within 19 days? (Do not round intermediate calculations. Round your answer to 4 decimal places.) Probability