In clear weather. Axis specifies, in accordance with Johnson's criteria, an AXIS Q1921 with a 60 mm lens to have detection range of 1200 m (3900 ft) for a person. Based on this estimation which of the following is true?

An analysis or analytic software is able to detect a person in 1200 m distance with 90% probability 

A human observer is able to detect a person in 1200 m distance with 50% probability 

A human observer can discern a person versus a car in 1200 m distance with 90% probability 

An analysis or analytic software is able to discern a person versus a car in 1200 m distance with 50% probability