A Researcher at a Major Clinic Wishes to Estimate the Proportion

question 46

Multiple Choice

A researcher at a major clinic wishes to estimate the proportion of the adult population of the United States thathas sleep deprivation. How large a sample is needed in order to be 95% confident that the sample proportionwill not differ from the true proportion by more than 4%?

• A) 601
• B) 13
• C) 1201
• D) 423

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Definitions:

Going Rate

The current average or standard price for goods or services in a particular market or industry.

Lottery

A form of gambling involving the drawing of numbers at random for a prize.

Annuity

A financial instrument that provides a regular sequence of payments to a person, mainly serving as a source of income for those who have retired.

Rate of Return

The gain or loss of an investment over a specified period, expressed as a percentage of the investment's initial cost.