Question on Scedule Diagram
Please refer to the diagram above. Which of the following situations can this diagram represent?
Choice 1 Task X (actual work of writing) and Task Z (thinking about what to write) should be done in parallel.
Choice 2 Task Z (unit testing the code) should begin 7 days after finishing Task X (writing the code).
Choice 3 Task X and Task Z together have 7 days of slack.
Choice 4 Task Z (plastering the floor) should begin 7 days after beginning Task X (pouring concrete).
Please also briefly explain .....