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:

New Equilibrium Quantity

This refers to the quantity at which supply and demand are equal at a new price level after changes in the market.

Law of Demand

A principle stating that as the price of a product decreases, the quantity demanded increases, and vice versa, all else being equal.

Education Provided

The act or process of imparting or acquiring knowledge, skills, or values through various methods such as schooling, training, or research.

School-age Population

The group within a population that falls within the mandatory schooling age range, typically considered as children and adolescents.