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Below is an extract (selected rows) from...

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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%.