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Unformatted text preview: ACTSC 431/831 QUESTION SET 4 1. Suppose the following data are available for a claims process: claim number 1 2 3 4 5 6 7 time of claim 0.5 1.45 3.2 4.1 4.55 6.2 6.8 claim amount 4.1 6 6.9 8.2 8.8 5 8 Assume that the initial surplus is 7 and the rate of premium collection is 5.3. (a) Write the equation for aggregate claims for t 8 and graph. (b) Write the equation for surplus for t 8 and graph. (c) Does ruin occur? If so, what is the time of ruin? What is the amount of the deficit at ruin? (d) What is the smallest value of u needed to insure that ruin does not occur in the interval [0 , 8], assuming that you cant change the premium rate? (e) Graph the aggregate loss over the interval [0 , 8]. What is the maximum aggregate loss L ? (f) Alternatively, calculate the maximum aggregate loss by using your surplus graph and sum ming each of the new lows in surplus....
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 Spring '09
 laundriualt

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