A Population Has a Standard Deviation $\sigma = 20.2$ How Large a Sample Must Be Drawn So That a Large

question 11

Multiple Choice

A population has a standard deviation $\sigma = 20.2$ How large a sample must be drawn so that a 98% confidence interval for $\mu$ will have a margin of error equal to 4.2 ?

• A) 226
• B) 126
• C) 11
• D) 5

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Definitions:

MAXMINCON Principle

A methodological principle designed to maximize applicable information, minimize cost, and control for unwanted variation in research or operational settings.

Overreliance

Excessive dependence on something or someone, often to the point where it becomes detrimental.

Knowledge Base

The accumulated information, understanding, and skills that an individual or organization possesses.

Bubble Hypothesis

The theory suggesting that individuals or groups can become isolated in their own social or cultural bubbles, leading to limited exposure to differing perspectives.