Question

Q.18. What is Life expectancy?​

Answer 1

Answer:

Hey mate, here is your answer:-

Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age, and other demographic factors including gender. The most commonly used measure is life expectancy at birth, which can be defined in two ways.

Hope it helps...

Answer 2

Answer:

Life expectancy is the number of babies to live after birth ,in every group of certain number of babies.

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