The following table shows the survival experience of 1,000 males who retire at age 65: $$\begin{array} { c c }
\text { Age } & \text { Number of Males Surviving } \
65 & 1,000 \
70 & 907 \
75 & 775 \
80 & 596 \
85 & 383
\end{array}$$ Based on these data, the probability that a 75-year-old male will survive to age 80 is:
A)0.596
B)1 - 0.596 = 0.404
C)1 - 0.775 = 0.225
D)0.769

Question

The following table shows the survival experience of 1,000 males who retire at age 65: $$\begin{array} { c c } 
\text { Age } & \text { Number of Males Surviving } \
65 & 1,000 \
70 & 907 \
75 & 775 \
80 & 596 \
85 & 383
\end{array}$$ Based on these data, the probability that a 75-year-old male will survive to age 80 is:
A)0.596
B)1 - 0.596 = 0.404
C)1 - 0.775 = 0.225
D)0.769

Quizplus · Accepted Answer

The probability that a 75-year-old male will survive to age 80 is calculated by dividing the number of males surviving to age 80 (596) by the number of males surviving to age 75 (775), which gives 0.769.