NEED ASAP answer only no solution

A project consists of eight major activities. The activities and their predecessors are given in the table below, including the optimistic, most probable and pessimistic time in weeks. Activity Predecessors a m m b 5 6 00 B 2.5 3 6 6 C A A 6 7 3.5 D A A 5 5.5 8 00 E B 5 7 9 F DE N 3 9 G DE 8 00 10 4 . C.F 6 7 12 What is the critical path? B-E-G O A-D-G O A-C-H O A-D-F-H Question 43 What is the total expected time of the project? 21weeks 24 weeks O 22 weeks 25 weeks Question 44 What is the probability that the project will be completed in 21 weeks? 0.5 0.2611 O 0.25 0.7389