The population of 25-year-old American women has a remaining life expectancy that is also normally distributed and differs from that of the males in Exercise 6.17 only in that the women’s average remaining life expectancy is 5 years longer than for the males.

a. What proportion of these 25-year-old females will live past 75?

b. What proportion of these 25-year-old females will live past 85?

c. What proportion of these 25-year-old females will live past 95?

d. What proportion will not live past 65?