题目
Below is an extract (selected rows) from a mortality table:「huixue_img/importSubject/1564169526436827136.png」Which is nearest to the probability of a man aged 80 years old dying in the second year (between ages 81 and 82)?
选项
A.0.39%
B.1.76%
C.6.20%
D.7.31%
答案
C
解析
This is the probability that he does not die in the first year multiplied by the probability that he does die in the second year, which is given by (1-0.0594030)×0.0658730=0.0619599=6.19599%概率(第一年不死且第二年死亡)=(1-0.0594030)×0.0658730=0.0619599=6.19599%.