In Determining the Sample Size Necessary to Estimate a Population

question 49

Multiple Choice

In determining the sample size necessary to estimate a population proportion, which of the following information is not needed?

• A)the maximum margin of error that can be tolerated
• B)the confidence level required
• C)a preliminary estimate of the true population proportion P
• D)the mean of the population

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Definitions:

Gasoline

A refined petroleum product used as fuel in internal combustion engines.

Market Size

The total potential sales volume or number of consumers available to a product or service within a given market.

Tax on Sellers

A financial charge imposed on sellers of goods or services, which can affect the supply and pricing of those goods or services.

Tax on Buyers

A levy imposed on consumers by the government, which typically raises the purchase price of goods and services, affecting demand.