Examlex
How many ways are there to choose five donuts if there are eight varieties and only the type of each donut
Replacement-Level Fertility
The average number of children that must be born to women of reproductive age in a population to replace the number of people dying, ensuring population stability.
Demography
The statistical study of populations, analyzing structure, distribution, and trends through births, deaths, migrations, and aging.
Developing Countries
Nations with a lower living standard, undeveloped industrial base, and lower Human Development Index relative to other countries.
Life Expectancy
The average number of years a person is expected to live, based on statistical averages.
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