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 Showing results 1 to 25 of 300 Search took 0.14 seconds. Search: Posts Made By: Abraham Weishaus
 Forum: MAS-I 10-09-2019, 09:06 PM Replies: 4 Views: 249 Posted By Abraham Weishaus Check the errata. Check the errata.
 Forum: MAS-I 10-04-2019, 05:33 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Depends. If m=10, then the mean is 6. If m=1,... Depends. If m=10, then the mean is 6. If m=1, then the mean is 0.6.
 Forum: MAS-I 10-04-2019, 07:47 AM Replies: 186 Views: 30,576 Posted By Abraham Weishaus The 2 losses are for amounts above 25000. If... The 2 losses are for amounts above 25000. If there were no deductible, their likelihoodx would be S(25000). However, due to the deductible, you receive no information about losses below 1000, so...
 10-02-2019, 08:30 PM Replies: 7 Views: 487 Posted By Abraham Weishaus There is no such thing as premium by AY. AY is... There is no such thing as premium by AY. AY is only for accidents. Loss payments are categorized based on the year of the underlying accident. They may also be categorized by calendar year, but...
 Forum: MAS-I 09-17-2019, 05:09 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Yes. I'm going to remove the smoothing part from... Yes. I'm going to remove the smoothing part from the question. The original exam question based on the textbook used then used a simpler smoothing method - they had 10 observations, with the first...
 Forum: MAS-I 09-17-2019, 05:05 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Yes, .6 quantile = 60 percentile. Divide your... Yes, .6 quantile = 60 percentile. Divide your percentile number by 100 to get the corresponding quantile. I should divide, not multiply: k/(n+1) quantile. I'll post an erratum.
 Forum: MAS-I 09-05-2019, 12:46 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Don't thank me - thank Klugman and the other... Don't thank me - thank Klugman and the other authors of Loss Models for their method. I understand Tse's logic, but a method that sets the median of {1,1,3,3,5,5) equal to 2.5 rather than 3 strikes...
 Forum: MAS-I 09-04-2019, 04:47 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus This smoothing method, from Tse's textbook, is... This smoothing method, from Tse's textbook, is slightly different from the one in Loss Models (and described in the ASM manual). Since MAS-I is purely based on Tse and not Loss Models, I will post...
 Forum: MAS-I 09-03-2019, 08:58 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus The question asks for the smoothed empirical... The question asks for the smoothed empirical percentile, and that is 11.625 - read the textbook to see how smoothed empirical percentile is defined. 12 is the 75th percentile of the empirical...
 Forum: MAS-I 09-03-2019, 08:52 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Read the "Tables" section in the introduction of... Read the "Tables" section in the introduction of the ASM manual. Or if you wish, download an old MAS-I exam and read the second bullet of item #4 of the exam instructions. A little weird that they...
 Forum: MAS-I 08-05-2019, 05:58 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Where is the solution assuming that? Where is the solution assuming that?
 08-04-2019, 07:34 PM Replies: 3 Views: 607 Posted By Abraham Weishaus OK, that's not a good way to prove it. Here's a... OK, that's not a good way to prove it. Here's a better way. e_Z(d(1+r))= E[Z-d(1+r)|Z>d(1+r)] Now Z>d(1+r) if and only if X>d, so this is e_Z(d(1+r))=E[Z-d(1+r)|X>d] But...
 Forum: MAS-I 07-27-2019, 10:29 PM Replies: 2 Views: 857 Posted By Abraham Weishaus The links in the ASM manual to all the old exams... The links in the ASM manual to all the old exams still work, so they're all stored on the CAS site. Most of the links are of the form www.casact.org/ admissions/ studytools/ exam3/ spyy-3.pdf...
 Forum: MAS-I 07-24-2019, 09:30 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Well, since the first paragraph of The... Well, since the first paragraph of The Disreputable Dog's post is taken from Ross page 651 which is on the MAS-I syllabus, I would say that the method is on the MAS-I syllabus. But I agree that...
 07-20-2019, 10:49 PM Replies: 2 Views: 687 Posted By Abraham Weishaus Effective date of the rate change, not effective... Effective date of the rate change, not effective date of the policy. Usually the date the policy is issued isn't called the effective date, it's called something else, like "issue date". But I can...
 Forum: MAS-I 07-14-2019, 01:39 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Yes, #1 and #3 are errors on my part. And you... Yes, #1 and #3 are errors on my part. And you have gone through Ross's derivation in #2 so you should get the same result.
 Forum: MAS-I 07-09-2019, 06:07 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Yes. With modern computers using lots of... Yes. With modern computers using lots of precision, the probability of 0 is infinitesimal, so it hardly makes a difference, but that is the reason Ross prefers the second method.
 Forum: MAS-I 07-09-2019, 12:53 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus In practice most computer random number... In practice most computer random number generators can generate 0 but will never generate 1. That's why Ross is the preferred option.
 Forum: MAS-I 07-06-2019, 10:30 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus Can you be more specific of what you think is... Can you be more specific of what you think is wrong? For example, what labeling do you expect in Figure 17.7?
 Forum: Long-Term Actuarial Math 07-03-2019, 08:40 AM Replies: 7 Views: 789 Posted By Abraham Weishaus You must distinguish between joint probability... You must distinguish between joint probability and conditional probability. Recall from probability the formula \Pr(A\mid B)=\frac{\Pr(A\cap B)}{Pr(B) Q 10.2 is asking for a conditional...
 07-01-2019, 06:08 PM Replies: 5 Views: 1,102 Posted By Abraham Weishaus And it's not the wording in the ASM manual either. And it's not the wording in the ASM manual either.
 Forum: MAS-I 06-23-2019, 03:19 PM Replies: 186 Views: 30,576 Posted By Abraham Weishaus For such a short question (4 years), the... For such a short question (4 years), the recursive formula doesn't save you much work. And while the CAS occasionally asks off-syllabus questions, I doubt they would ever ask a question on variance...
 Forum: Long-Term Actuarial Math 05-17-2019, 04:34 PM Replies: 749 Views: 135,956 Posted By Abraham Weishaus I agree with the PAK on all multiple choice... I agree with the PAK on all multiple choice questions.
 05-16-2019, 09:02 PM Replies: 21 Views: 5,190 Posted By Abraham Weishaus See the first page of Lesson 20: "The... See the first page of Lesson 20: "The coefficients \beta_0 and \beta_1 may be estimated using the method of conditional least squares, which is simply regression ... ".
 05-16-2019, 08:58 PM Replies: 21 Views: 5,190 Posted By Abraham Weishaus As the ASM manual says, they don't give you a... As the ASM manual says, they don't give you a table with critical values for F, making F questions less likely. Simple linear regression? That's the square root of formula (3.8).
 Showing results 1 to 25 of 300

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