Which of the following is NOT a type of float?

Float, also known as "slack," refers to the amount of time that a project task can be delayed without causing a delay to subsequent tasks or the overall project completion. The types of float include:

Total Float:The amount of time a task can be delayed without delaying the project's completion date.

Negative Float:Occurs when the project is behind schedule, meaning tasks must be accelerated to meet deadlines.

Free Float:The amount of time a task can be delayed without delaying the early start of any subsequent tasks.

Open endis not recognized as a type of float. Therefore, it is the correct answer as it does not belong to this list.