An Internet Supplier of Refilled Ink Cartridges for Ink Jet

question 57

Multiple Choice

An internet supplier of refilled ink cartridges for ink jet printers sold cartridges to 30,000 customers over the past two months. A random sample of 1000 of those customers revealed that 180 were not happy with their purchase. The margin of error was 2%. What range is likely to contain the population parameter?

• A) 29,000 to 31,000
• B) 16% to 20%
• C) 160 to 200
• D) 4800 to 6000

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Definitions:

Justified

Text that is aligned evenly along both the left and right margins.

Lines of Text

Individual rows of written or printed words.

Flush

To cleanse or clear out by a rapid flow of water, or to be in level alignment with a surface.

Effective Proofreading

The process of reviewing and correcting written material to ensure it is accurate, consistent, and free of errors.