After lowering the landing gear, the pilot notices that the "gear down and locked" light is not illuminated. "It's probably just a burned out light bulb," she says, as she proceeds on final approach for landing. Considering the pilot's hypothesis, which is the result of Type I error?
A)The sound of metal scraping on concrete will be heard upon landing.
B)The landing is delayed unnecessarily while the bulb and gear are checked.
C)We cannot be sure without knowing whether or not the bulb is actually faulty.

Question

Quizplus · Accepted Answer

A Type I error occurs when a true null hypothesis is incorrectly rejected. In this scenario, if the pilot's hypothesis (the bulb is just burned out) is true but she acts as if it's false (assuming the gear isn't down and locked), leading to unnecessary checks, it would be a Type I error.

After Lowering the Landing Gear, the Pilot Notices That the "Gear