A Sample of a Given Size Is Used to Construct

question 52

Multiple Choice

A sample of a given size is used to construct a 95% confidence interval for the population mean with a known population standard deviation.If a bigger sample had been used instead,then the 95% confidence interval would have been _______ and the probability of making an error would have been ________.

• A)Wider,smaller
• B)Narrower,smaller
• C)Wider,unchanged
• D)Narrower,unchanged

---

Definitions:

Federal Trade Commission

A U.S. federal agency responsible for protecting consumers and promoting competition by preventing anticompetitive, deceptive, and unfair business practices.

Reasonable Basis

A logical, fact-based foundation for a belief, action, or decision, indicating that due diligence has been exercised.

Itemization

The process of listing individual items or services separately, often in billing or accounting.

Funeral Services

Professional services provided by a licensed funeral director and staff, which may include the preparation of the body, conducting the funeral ceremony, and the management of the funeral process.