Chuck Has Decided to Increase the Size of the Sample

question 17

Multiple Choice

Chuck has decided to increase the size of the sample he uses to estimate a population proportion. ​
What is the effect on the width of the associated confidence interval?
​

• A)The width of the confidence interval increases.
• B)The width of the confidence interval decreases.
• C)The width of the confidence interval is unchanged.
• D)There is not enough information to say.

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Definitions:

Accounting Number Format

A style of formatting numbers in financial documents that aligns currency symbols and decimal points for easy comparison.

Floating Dollar Sign

A currency symbol that is placed immediately before the first digit of a number, used to indicate the currency, without being attached to the digits.

MAX

A function in spreadsheet software that finds the largest value in a set of data.

Highest Value

The largest number or amount in a given set or series of data.