Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

Exercise 79

Expected Value: Life Insurance Sara is a 60-year-old female in reasonably good health. She wants to take out a $50,000 term (that is, straight death benefit) life insurance policy until she is 65. The policy will expire on her 65th birthday. The probability of death in a given year is provided by the Vital Statistics Section of the Statistical Abstract of the United States (116th Edition).

Sara is applying to Big Rock Insurance Company for her term insurance policy.
(a) What is the probability that Sara will die in her 60th year Using this probability and the $50,000 death benefit, what is the expected cost to Big Rock Insurance
(b) Repeat part (a) for years 61,62,63, and 64. What would be the total expected cost to Big Rock Insurance over the years 60 through 64
(c) Interpretation If Big Rock Insurance wants to make a profit of $700 above the expected total cost paid out for Sara's death, how much should it charge for the policy
(d) Interpretation If Big Rock Insurance Company charges $5000 for the policy, how much profit does the company expect to make