Actuarial Science: Life Assurance Contracts
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Questions and Answers

What is the formula for the present value (PV) of benefits payable immediately on death in a continuous term assurance contract?

  • $S_0$ if $T_x eq 0$
  • $S_0$ if $T_x eq n$ \\ $V^t_x$ if $T_x > n$ (correct)
  • $S_0$ if $T_x eq n$ \\ $V^t_x$ if $T_x eq m$
  • $S_0$ if $T_x eq n$
  • How is the expected present value (EPV) calculated for deferred whole life assurance contracts when benefits are payable at the end of the year?

  • $ ext{some fixed value}$ for all k
  • $ ext{not defined}$ for all k > n
  • $ ext{sum of values starting from n}$ (correct)
  • $S_0$ for all k
  • What does the variance formula for benefits payable immediately on death in a continuous whole life assurance contract illustrate?

  • Variance is not applicable in the continuous model
  • A constant variance irrespective of A_x
  • $2A_x - (A_x)^2$ (correct)
  • The square of the average of the present value
  • In a discrete term assurance contract, how is the variance for benefits payable at the end of the death year represented mathematically?

    <p>$2A_{x:n} - (A_{x:n})^2$</p> Signup and view all the answers

    What is indicated by the PV formula for deferred whole life assurance when benefits are payable at the end of the death year?

    <p>$V_k{x + k}_t$ is conditional on age</p> Signup and view all the answers

    Which statement best describes the expected present value for 'deferred' benefits payable immediately in a continuous term assurance contract?

    <p>It accounts for the payment period between m and n.</p> Signup and view all the answers

    Which benefit structure is represented by the sum $ ext{sum}(k=0)^n V_{k+1}k_{12}^*x$ in the context of term assurance contracts?

    <p>Benefits payable at the end of death year (Discrete)</p> Signup and view all the answers

    In an endowment life assurance contract, what does the formula $A_{x:n} = ar{A}x + rac{1}{eta} A{x:n}$ signify?

    <p>A relationship between average and specific annuities.</p> Signup and view all the answers

    Study Notes

    Whole Life Assurance Contracts

    • Product Benefits Payable at End of Death Year (Discrete): The present value (PV) of benefits payable at the end of the death year is calculated as V * Kxt for all K. Variance is 2Ax - (Ax)2.

    • Product Benefits Payable Immediately on Death (Continuous): The present value (PV) is V * Vx for all tx. Variance is 2Ax - (Ax)2.

    Term Assurance Contract

    • Product Benefits Payable at End of Death Year (Discrete): Present value (PV) is calculated as Σ Vk * kt * kx where k starts at 0. Variance is 2Ax - (Ax)2

    • Product Benefits Payable Immediately on Death (Continuous): Present value (PV) = ∫ Vt * tx * ax * ∫Vt * tx * ax dt if tx < n. Variance = Ax0tVtPxt * µx+tdt - (Ax)2.

    Endowment Life Assurance Contracts

    • Product Benefits Payable at End of Death Year (Discrete): PV is Vn if k ≤ n = Σ Vk * k/2x, OR Vmin(k,n) = (Ax+x + Ax - V). Variance = 2Ax:m - (Ax:m)2.

    • Product Benefits Payable Immediately on Death (Continuous): PV = Vmin(Tx,n), OR = Vtx ∫ Vtpxµx+t dt , OR Ax:m + Ax -V. Variance = 2Ax:m - (Ax:m)2

    Pure Endowment Assurance Contract

    • Benefits Payable at End of Death Year (Discrete): Benefits are payable at a fixed time, independent of survival. Ax = Σ (Vk nPx) if k ≥ n, Variance = Ax - (Ax)2. Important Note: Benefits are payable only at the end of the contracted term.

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    Description

    This quiz focuses on Whole Life Assurance and Term Assurance Contracts, detailing the present value calculations and variance for benefits payable at different intervals. Test your knowledge on the mathematical principles behind these insurance products.

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