These are the activities on the critical path:

Critical Path Identification:
The critical path is the longest sequence of activities that determines the project's minimum duration.
Path: A B G H.
Exclusion of Other Options:
Paths involving F, J, or non-critical activities do not align with the longest duration.
Verification with PSP Guidelines: The PSP Study Guide emphasizes identifying the critical path for schedule optimization (Ref: PSP Study Guide, Chapter 2A: Critical Path Analysis)
Quentin
6 hours ago