need step by step solution!!

Q1) Given the activities whose sequence is described by the following table i) Draw a neat AoA network diagram. ii) Calculate the Slack time (S) for all activities. iii) Identify all Critical Path(s) iv) Calculate the project completion time. v) What is the probability that the project will be completed by the 28th day? vi) What will be the project completion date with a confidence level of 95%? Immediate Time Variance Activity Predecessor(s) (days) A 7 1 B A 3 0.25 B 5 0.15 D 4 0.75 E B 7 0.5 F C 2 0.1 G D, E 4 0.25 H G 3 0.2 H 5 .5 J I 3 0.2 K F 10 0.5 L K 5 0.3 M HK 4 0.2 N M 3 0.1