What Is the Relationship Between Age-Specific Mortality and Age-Specific Survivorship

Multiple Choice

What is the relationship between age-specific mortality and age-specific survivorship?

A) age-specific mortality is the proportion of individuals alive at the start of an age interval; age-specific survivorship is the proportion that die before the start of the next interval
B) age-specific survivorship is the proportion of individuals alive at the start of an age interval that die during the age interval; age-specific mortality is the proportion that survive until the start of the next interval
C) the sum of age-specific mortality and age-specific survivorship always equals 1
D) the sum of age-specific mortality and age-specific survivorship is always less than 1
E) age-specific survivorship is always greater than 1