Which Statement About This Gantt Chart Is BEST

question 82

Multiple Choice

Which statement about this Gantt chart is BEST?

• A)Activity a has a duration that could be as short as 1 day and as long as 10.
• B)Activity b probably has activity a as a predecessor.
• C)No progress has been made on activity c.
• D)Activity d is the longest activity.

---

Definitions:

Detection Threshold

The minimum level of intensity at which a stimulus is perceived or detected by the sensory system.

Just Noticeable Threshold

The minimum difference in stimulation that a person can detect 50% of the time; also known as the difference threshold.

Signal-detection Threshold

The sensory level at which a stimulus is detected 50% of the time, highlighting the ability to identify under conditions of uncertainty.

Psychophysics

The scientific study of the relationship between stimuli and the sensations and perceptions they produce.