The Sample Size Needed to Estimate a Population Mean to Within

question 31

Multiple Choice

The sample size needed to estimate a population mean to within 10 units was found to be 68.If the population standard deviation was 50,then the confidence level used was:

• A)99%
• B)95%
• C)90%
• D)None of these choices.

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Definitions:

Cheerful Demeanor

Exhibiting a consistently happy and positive attitude in one’s behavior and interactions with others.

Impending Death

The situation or condition of being near to or approaching the end of life.

Transtheoretical Model

A psychological theory that describes the process of intentional behavior change through stages, including precontemplation, contemplation, preparation, action, and maintenance.

Health Interventions

Actions or strategies aimed at improving health outcomes or preventing health problems.