Use Linear Equations to Solve Problems

question 99

Multiple Choice

Use Linear Equations to Solve Problems
Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
-30% of what number is 96?

• A)320
• B)3200
• C)32
• D)28.8

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Definitions:

Confidence Interval

A group of values derived from statistical samples that is likely to hold the value of a population parameter that is unknown.

Population Mean

The average of all values in a complete population, representing a central value of a dataset.

Confidence Interval

A range of values, derived from sample statistics, that is believed to contain the value of an unknown population parameter at a certain confidence level.

Population Standard Deviation

A measure of the dispersion or variability of a set of data points in a population.