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Which of the Following Areas Has the Lowest Percentage of Its

question 19

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Which of the following areas has the lowest percentage of its population with access to improved sanitation?


Definitions:

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one, used in statistical analysis.

Less Than

A mathematical expression used to compare two values, indicating that one value is smaller than the other.

Z-scores

A numerical metric indicating how a specific value relates to a group's average, measured by the number of standard deviations it differs from this mean.

Standard Normal Distribution

A statistical distribution that has a mean of zero and a standard deviation of one, used in hypothesis testing and other statistical analyses.

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