Question

1. which of the following is the most accurate definition of life expectancy? (1 point) *

a) the maximum number of years a single individual can live.

b) the average number of years a person in a specific population can expect to live, based on a given set of age - specific death rates.

c) a guaranteed age that a person will reach before death.

d) the maximum lifespan for the human species.

option 2

Explanation:

Life expectancy is calculated based on age - specific death rates of a population and represents an average number of years a person in that population can expect to live. It is not a maximum for an individual, a guaranteed age, or the maximum for the species.

Answer:

B. The average number of years a person in a specific population can expect to live, based on a given set of age - specific death rates.