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The Number of Unique Orders in Which Five Items (A,B,C,D,E)can

question 97

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The number of unique orders in which five items (A,B,C,D,E) can be arranged is:


Definitions:

Perfect Income Equality

A hypothetical situation where all individuals within an economy have the exact same income, eliminating income disparities.

Top Quintile

The highest fifth of a population in income or wealth distribution, representing those with the greatest share of income or wealth.

Income

Money received, especially on a regular basis, for work, through investments, or from business activities, used to fund day-to-day expenditures or save for the future.

Bottom Quintile

The lowest fifth or 20% segment of the population in a statistical distribution, often used in reference to income levels.

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