A Telephone Company Claims That 20% of Its Customers Have

question 36

Essay

A telephone company claims that 20% of its customers have at least two telephone lines. The company selects
a random sample of 500 customers and finds that 88 have two or more telephone lines. If α = 0.05, test the
companyʹs claim using critical values and rejection regions.

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Definitions:

Indian Wars

The Indian Wars refer to a series of conflicts between European settlers and American Indian tribes in North America from the earliest colonial times through the late 19th century over land, resources, and cultural differences.

Southeast

The Southeast refers to the southeastern region of the United States, characterized by a subtropical climate, lush vegetation, and a rich history influenced by Indigenous, African, and European cultures.

James Oglethorpe

A British general and philanthropist, best known for founding the colony of Georgia as a place for debtors and the poor of Britain to start anew.

Georgia

A state located in the southeastern region of the United States, known for its diverse geography from beaches to mountains and its significant history dating back to the colonial era.