Years to live 2003
Insurance companies and other organizations use actuarial tables to estimate the remaining life-spans of their customers. On the next page are the estimated additional years of life for black males in the United States, according to a 2003 National Vital Statistics Report. (www.cdc.gov/nchs/deaths.htm)
|
Age
|
Years left
|
|
10
|
60.3
|
|
20
|
50.7
|
|
30
|
41.8
|
|
40
|
32.9
|
|
50
|
24.8
|
|
60
|
17.9
|
|
70
|
12.1
|
|
80
|
7.9
|
|
90
|
5.0
|
|
100
|
3.0
|
a) Find a re-expression to create an appropriate model.
b) Predict the lifespan of an 18-year-old black man.
c) Are you satisfied that your model has accounted for the relationship between Years Left and Age? Explain.