Final answer:
The life expectancy of 66 in Country X represents the average age at which people die. It is a statistical average not a precise age of death for men or women and does not indicate population distribution with respect to age.
Step-by-step explanation:
When it is stated that in Country X the life expectancy of an individual is 66, the response that best explains this statement is (a) The average age at which people die is 66. Life expectancy is a statistical measure that indicates the average age to which a person is expected to live based on the year of their birth current age and gender. it does not specify the age at which women die, the amount of people over or under the age of 66, but rather it is an average age of death for the entire population of a region or country.The life expectancy can be affected by various factors including healthcare quality, nutrition, sanitary conditions and lifestyle, which in turn are influenced by economics, culture, and technology.
For example life expectancies tend to be higher in developed countries compared to developing countries. Statistical data also reveal that women generally have a higher life expectancy than men.In conclusion, life expectancy is an important indicator of a population's overall health and quality of life, and it is subject to change over time due to improvements in healthcare and living standards, as well as other demographic factors