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# Normal Distributions

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Practice Normal Distributions
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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Normal Distributions

This Concept introduces students to the standard normal probability distribution.

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## Standard Normal Distribution

Explains how the normal distribution relates to standard deviation and z-scores.

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## More Empirical Rule and Z-Score practice

Walks through the steps to solve problems involving the normal distribution with use of the empirical rule and z-scores.

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## Normal Distribution Problems: Qualitative Sense of Normal Distributions

Explains how to tell which real world example would follow a normal distribution.

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## Normal Distribution Problems: z-score

Explains how to find a z-score for a given data point when you know the mean and standard deviation of the entire normal distribution.

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## Exercise: Standard Normal Distribution and the Empirical Rule

Adjusts the empirical rule to determine the area to left or right of certain points on the normal distribution curve.

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## Empirical Rule Demonstration

A simulation demonstrating the empirical rule.

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