A radar gun used to determine the speed of passing cars must be within 7 mph of the actual speed of a selected car. If a highway patrol officer reads a speed of 59 mph for a car, does he have irrefutable evidence that the car was speeding in a 55 mph zone?

Question

Mathematics

Warren Romero

22 June, 00:58

A radar gun used to determine the speed of passing cars must be within 7 mph of the actual speed of a selected car. If a highway patrol officer reads a speed of 59 mph for a car, does he have irrefutable evidence that the car was speeding in a 55 mph zone?

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Answers (1)

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Liberty Lamb · Answer 1

Check that the radar pistol has an error of 7 mph.

Then we have that:

59 mph - 7 mph = 52 mph approximately.

52mph <55mph

Answer:

He does not have irrefutable evidence that the car was speeding in a 55 mph zone