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CH. 7 PLANNING AHEAD

CH. 7 PLANNING AHEAD. 7-1 Life Insurance: Who needs it? 7-2 Spreading the Risk: How Insurance works 7-3 Value for the Future. Chapter 7-2. SPREADING THE RISK: HOW INSURANCE WORKS. OBJECTIVES.

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CH. 7 PLANNING AHEAD

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  1. CH. 7 PLANNING AHEAD 7-1 Life Insurance: Who needs it? 7-2 Spreading the Risk: How Insurance works 7-3 Value for the Future

  2. Chapter 7-2 SPREADING THE RISK: HOW INSURANCE WORKS

  3. OBJECTIVES • Understand how life-expectation tables are used to estimate the probability that an individual will die within one year. • Learn how an insurance company determines its premium schedule to make a reasonable profit.

  4. Probability of an Event P(E) = m/n Where P(E) = the probability of an event E m = the number of times the event occurs n = the number of all possible outcomes

  5. Example Using the chart on page 331 of your textbook, find the probability of a 16-year old person will be alive 1 year from today. # of 16-year old people alive 1 year later Total number of 16- year old people 99,921 100,000 = .99921

  6. P(E‘) = Probability of a 16-year old will die in 1 year Total number of 16-year old people P(E‘) = 79 = .00079 100,000 The sum of the probabilities of an event and its complement is 1 P(E) + P(E‘) = 1

  7. Expected Value is the amount of money to be won or lost in the long run. If an event can assume two values, then the expected value of the event is the sum of the product of each value and its probability. EXPECTED VALUE FORMULA E = P1 v1 + P2 v2 Where v1 and v2 are values and P1 and P2 are the corresponding probabilities

  8. Try Your Skills Example 1 The expected gain from a coin toss that pays $3 for heads and $2 for tails. P1 = .5 P2 = .5 v1 = 3 v2 = 2 E = .5(3) + .5(2) = 1.50 + 1.00 = $2.50

  9. Try Your Skills Example 2 The expected gain from a roll of a die that pays $10 for a 6 or a 2 and $1 for any other result. P1 = 2/6 = 1/3 P2 = 4/6 = 2/3 v1 = 10 v2 = 1 E = (1/3)(10) + (2/3)(1) = 3.33 + .67 = $4.00

  10. Break-even value Break-even value is the value of the premium that gives zero profit after paying for all expenses. E + expenses = P1 v1 + P2 v2 Where v1 and v2 are values and P1 and P2 are the corresponding probabilities

  11. Example 2 The company has direct and indirect expenses of $25 for each policy that it issues. Find the premium that the company must charge to break even; that is, neither to make or lose money on this policy. E = 0 P1 = .99906 P2 = 1 - .99906 = .00094 v1 = x v2 = x – 60000 0 + 25 = .99906x + .00094(x – 60000) 25 = .99906x + .00094x – 56.4 25 = 1x – 56.4 81.40 = x $81.40 is the premium to break even

  12. Profit on Insurance P = R – B – C P = profit R = revenue received as premiums B = benefits paid out C = costs or expenses

  13. Example 3 • Use the profit for insurance formula and the table • of expected deaths (page 331) to calculate the • profit that a company makes on one-year term • life insurance policies. The cost of each policy • is $25. • 1000 19-year olds; face value: $100,000; • Annual premium: $200 • b. 5000 28-year olds; face value: $135,000; • Annual premium: $350

  14. 1000 19-year olds; face value: $100,000; Annual premium: $200 x = profit for each policy P = 1000x R = 1000(200) 103 = ? B = 1.03(100,000) 100,000 1000 C = 25(1000) ? = 1.03 1000x = 1000(200) – 1.03(100,000) - 25(1000) 1000x = 72,000 x = 72; profit = 1000(72) = $72,000

  15. 5000 28-year olds; face value: $135,000; Annual premium: $350 x = profit for each policy P = 5000x R = 5000(350) 127 = ? B = 6.35(135,000) 100,000 5000 C = 25(5000) ? = 6.35 5000x = 5000(350) – 6.35(135,000) - 25(5000) 5000x = 767,750 x = 153.55; profit = 5000(153.55) = $767,750

  16. Assignment page 337 7-25 (use chart on page 676 for 22-25)

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