Simplify the Expression

question 80

Multiple Choice

Simplify the expression .

• A) The expression cannot be simplified.
• B) 3
• C) -6
• D) 1
• E) -27

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Definitions:

Level of Confidence

The degree to which one can be sure that a particular parameter falls within a specific range, expressed as a percentage.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the true value of an unknown population parameter.

Inferential Statistics

The branch of statistics that makes predictions or inferences about a population based on a sample of data.