Life expectancy is
A)a theoretically projected length of life based on ideal conditions.
B)the average length of time a person is expected to live.
C)the period of life when an individual is healthiest.
D)a calculation based upon how long a person's relatives liveD.

Question

Quizplus · Accepted Answer

Life expectancy is the statistical average length of time a person is expected to live, based on factors such as their age, gender, and demographics. This is different from individual lifespan, which is the actual length of time a person lives. Life expectancy is often used as an indicator of a population's overall health and well-being.

Life Expectancy Is