A Computer Manufacturing Company Has Sent a Mail Survey to 2800

question 10

Multiple Choice

A computer manufacturing company has sent a mail survey to 2800 of its randomly selected customers that have purchased a new personal computer.The survey asked the customers whether or not they were satisfied with the computer.800 customers responded to the survey.640 customers indicated that they were satisfied,while 160 customers indicated they were not satisfied with their new computer.Construct a 96 percent confidence interval estimate of the true proportion of customers satisfied with their new computer.

• A) \([ .771 \quad .829 ]\)
• B) \([ .788 \quad .812 ]\)
• C) \([ .775 \quad .825 ]\)
• D) \(\left[ \begin{array} { l l }
• .785 & .816
• \end{array} \right]\)

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Definitions:

Western Expansion

The period of territorial growth and settler migration in the United States during the 19th century, leading to the acquisition and settlement of lands west of the Mississippi River.

John Astor

An American businessman who made his fortune in fur trading and real estate, becoming one of the wealthiest individuals in early 19th century America.

Fur Trade

The buying and selling of animal fur, historically a significant economic activity in North America and other parts of the world, often leading to exploration and conflict.

Napoleonic Wars

A series of major conflicts pitting the French Empire and its allies, led by Napoleon Bonaparte, against a fluctuating array of European powers.