When the Level of Confidence Increases, the Confidence Interval _____

question 83

Multiple Choice

When the level of confidence increases, the confidence interval _____.

• A) stays the same
• B) becomes wider
• C) becomes narrower
• D) cannot be determined from the information given

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Definitions:

Associative Property

A mathematical rule that states the way in which numbers are grouped (associated) does not change their sum or product.

Algebra

A branch of mathematics dealing with symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics.

Distributive Property

A property that allows one to multiply a sum by a number by multiplying each addend individually by the number.

Algebra

A field within mathematics that focuses on the use of symbols and the principles governing their manipulation, serving as a foundational basis for nearly the entirety of mathematical disciplines.