A Major Airline Company Is Concerned That Its Proportion of Late

question 149

Short Answer

A major airline company is concerned that its proportion of late arrivals has substantially increased in the past month.Historical data shows that on average 18 percent 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?

---

Definitions:

Group Composition

The makeup or structure of a group, determined by the characteristics, skills, or roles of its members.

Age

A measure of the length of time that a person or thing has existed, typically expressed in years.

Gender

Social and cultural constructs associated with being male, female, or non-binary, rather than biological differences.

Decision Making

The process of making choices by identifying a decision, gathering information, and assessing alternative resolutions.