The Retail Advertising and Marketing Association Would Like to Estimate

question 11

Multiple Choice

The Retail Advertising and Marketing Association would like to estimate the average amount of money that a person spends for Mother's Day with 99% confidence interval and a margin of error within plus or minus $6. Assuming the standard deviation for spending on Mother's Day is $36, the required sample size is ________.

• A) 210
• B) 239
• C) 284
• D) 313

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Definitions:

Discipline

The practice of training people to obey rules or a code of behavior, using punishment to correct disobedience.

Support Group

A gathering of individuals who share common experiences or concerns, providing mutual emotional and moral support.

Hostility

An expressed feeling of anger, aggression, or opposition towards others or towards specific ideas or situations.

Therapeutic

Pertaining to the healing of disease or maintenance of health, often used to describe treatments or activities that improve well-being.