One Division of a Large Defense Contractor Manufactures Telecommunication Equipment

question 3

Multiple Choice

One division of a large defense contractor manufactures telecommunication equipment for the military.This division reports that 12% of non-electrical components are reworked.Management wants to determine if this percentage is the same as the percentage rework for the company's electrical components.The Quality Control Department plans to check a random sample of the over 10,000 electrical components manufactured across all divisions.The resulting 95% confidence interval based on these data is .0758 to .1339.Which of the following is the correct interpretation?

• A)The percentage of electronic components that are reworked is between 7.6% and 13.4%.
• B)We are 95% confident that between 7.6% and 13.4% of electrical components are reworked.
• C)The margin of error for the true percentage of electrical components that are reworked is between 7.6% and 13.4%.
• D)All samples of size 450 will yield a percentage of reworked electrical components that falls within 7.6% and 13.4%.
• E)None of the above.

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Definitions:

Monthly Income

The total amount of income received on a monthly basis from all sources.

Price

The financial sum expected, necessary, or handed over in exchange for something.

Monthly Income

The total amount of money received by an individual or household within a month from all sources.

Hot Dog

A cooked sausage, traditionally grilled or steamed and served in a sliced bun.