Z is the present-value random variable for a whole life insurance of 1 payable at the...
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Z is the present-value random variable for a whole life insurance of 1 payable at the moment of death of (x). You are given: (i) 8 (ii) The force of mortality is constant,say μ. (iii) ²Ā = 0.25. 2 Calculate the value of u. = 0.06 26 Insurances Payable at the Moment of Death Benefit payments can be either made at the time the contingent event oc- curred or at some set time like the end of the year in which the contingent event occurred. In this section, we consider four conventional insurance mod- els where the benefit payment is made at the time the contingent event oc- curred. In life insurance terms, this means the time of death of the insured. The models will be developed with a benefit function, be, and a discount function, t, where t is length of time from issue to death. We define the present-value function, z, by z₁ = b₁v². But the elapsed time from policy issue to the death of the insured is just the future-lifetime random variable T = T(x). Thus, the present value, at policy issue, of the benefit payment is just the random variable Z = 2T = brv". We will follow the practice, used in the theory of interest, of assuming that the benefit amount is equal to 1 (called unit insurance). For a benefit of k dollars, one multiplies the present value of 1 dollar by k. 26.1 Level Benefit Whole Life Insurance By a whole life insurance we mean an insurance that makes a benefit payment at the time of death of the insured person, no matter when that time might be. The whole life insurance is an example of level benefit insurance.5 For this type of life insurance, b, = 1 and ₁ = ² so that the present value randon variable is given by 2₂=UT, T> 0. The average cost of a whole life insurance is defined as the actuarial present value of the random variable Zz. For a life aged 2, this average cost will be denoted by A₂ = E(Z₂). A formula for Ã, is derived next. A₁ = E(v¹)=2₂f2. (t)dt = v² fr(t)dt = v₁=n(x + 1)dt. Z is the present-value random variable for a whole life insurance of 1 payable at the moment of death of (x). You are given: (i) 8 (ii) The force of mortality is constant,say μ. (iii) ²Ā = 0.25. 2 Calculate the value of u. = 0.06 26 Insurances Payable at the Moment of Death Benefit payments can be either made at the time the contingent event oc- curred or at some set time like the end of the year in which the contingent event occurred. In this section, we consider four conventional insurance mod- els where the benefit payment is made at the time the contingent event oc- curred. In life insurance terms, this means the time of death of the insured. The models will be developed with a benefit function, be, and a discount function, t, where t is length of time from issue to death. We define the present-value function, z, by z₁ = b₁v². But the elapsed time from policy issue to the death of the insured is just the future-lifetime random variable T = T(x). Thus, the present value, at policy issue, of the benefit payment is just the random variable Z = 2T = brv". We will follow the practice, used in the theory of interest, of assuming that the benefit amount is equal to 1 (called unit insurance). For a benefit of k dollars, one multiplies the present value of 1 dollar by k. 26.1 Level Benefit Whole Life Insurance By a whole life insurance we mean an insurance that makes a benefit payment at the time of death of the insured person, no matter when that time might be. The whole life insurance is an example of level benefit insurance.5 For this type of life insurance, b, = 1 and ₁ = ² so that the present value randon variable is given by 2₂=UT, T> 0. The average cost of a whole life insurance is defined as the actuarial present value of the random variable Zz. For a life aged 2, this average cost will be denoted by A₂ = E(Z₂). A formula for Ã, is derived next. A₁ = E(v¹)=2₂f2. (t)dt = v² fr(t)dt = v₁=n(x + 1)dt.
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Introduction to Risk Management and Insurance
ISBN: 978-0131394124
10th edition
Authors: Mark S. Dorfman, David Cather
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