A Major Airline Company Is Concerned That Its Proportion of Late

question 96

Essay

A major airline company is concerned that its proportion of late arrivals has substantially increased in the past month.Historical data shows that on the average 18% of the company airplanes have arrived late.In a random sample of 1,240 airplanes,310 airplanes have arrived late.If we are conducting a hypothesis test of a single proportion to determine if the proportion of late arrivals has increased: What is the value of the calculated test statistic?

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Definitions:

Intentional Torts

Legal wrongs resulting from actions taken deliberately, intending to cause harm to another person, such as assault or defamation.

Comparative Negligence

A legal principle where damages are apportioned according to the degree of fault of each party in a lawsuit involving negligence.

Contributory Negligence

A defense to negligence whereby the defendant can escape all liability by proving that the plaintiff failed to act in a way that would protect him or her from an unreasonable risk of harm and that the plaintiff’s negligent behavior contributed in some way to the plaintiff’s accident.

Res Ipsa Loquitur

A legal doctrine that suggests negligence is inferred from the very nature of an accident or injury, in the absence of direct evidence.