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 Showing results 1 to 25 of 300 Search took 0.08 seconds. Search: Posts Made By: Abraham Weishaus
 Forum: Long-Term Actuarial Math 05-17-2019, 04:34 PM Replies: 508 Views: 85,143 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: 20 Views: 1,848 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: 20 Views: 1,848 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).
 05-10-2019, 05:24 PM Replies: 16 Views: 2,189 Posted By Abraham Weishaus New material often has errors, but it looks like... New material often has errors, but it looks like most of them have been caught already. The errata list for the last printing was only 2 pages, with no errors reported since 3/24.
 Forum: MAS-I 04-19-2019, 06:28 PM Replies: 1 Views: 471 Posted By Abraham Weishaus In the ASM question, you may include the delta in... In the ASM question, you may include the delta in your calculations, but it will just lead to another constant after inverted - and there is a mu in the inverted series. We just want the coefficient...
 04-12-2019, 05:21 PM Replies: 77 Views: 17,104 Posted By Abraham Weishaus That was a typo in the 12 week study plan, 15-18... That was a typo in the 12 week study plan, 15-18 should be 15-21.
 04-08-2019, 05:47 PM Replies: 5 Views: 499 Posted By Abraham Weishaus Every insurance policy that I am aware of... Every insurance policy that I am aware of requires payment at the beginning of the insurance period (the policy year for a one-year policy), unless another periodic pattern (like quarterly, monthly)...
 04-08-2019, 03:54 PM Replies: 5 Views: 499 Posted By Abraham Weishaus The question says "All policies are issued for... The question says "All policies are issued for one year, with premiums payable at the beginning of the year." The "the" before "year" indicates that it is referring to the year earlier in the...
 Forum: Long-Term Actuarial Math 04-06-2019, 10:02 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus It's a typo or miscalculation on their part. I... It's a typo or miscalculation on their part. I got 2993.02.
 Forum: Long-Term Actuarial Math 04-05-2019, 04:55 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus q50=0.00592 was mistakenly omitted from the... q50=0.00592 was mistakenly omitted from the question. I've posted an erratum.
 Forum: MAS-I 04-04-2019, 02:56 PM Replies: 692 Views: 111,673 Posted By Abraham Weishaus I posted an erratum indicating that the intercept... I posted an erratum indicating that the intercept is NOT the mean. The intercept is 27. The mean (if the series is stationary) is the intercept divided by 1 minus the sum of the coefficients, or...
 Forum: Long-Term Actuarial Math 03-30-2019, 09:55 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus We do consider probability of survival from age... We do consider probability of survival from age 60 in the last line, where we multiply by 0.2. You could multiply 1, p62, 2p62, and 3p62 by 0.2 to make them 2p60 3p60, 4p60, and 5p60, but why do the...
 Forum: Long-Term Actuarial Math 03-27-2019, 09:00 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus (b) was already multiplied by 12, so when you... (b) was already multiplied by 12, so when you divide by it, you are dividing the annual premium by 12. Question (b) says "1 per month", not 1 per year.
 Forum: Long-Term Actuarial Math 03-26-2019, 07:57 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus It's also paid to those who die. Reread the... It's also paid to those who die. Reread the first paragraph of the question - those who die get the NP reserve in addition to the face amount, and the NP reserve is P.
 Forum: MAS-I 03-21-2019, 05:59 PM Replies: 692 Views: 111,673 Posted By Abraham Weishaus Yes, the statement that the intercept - the... Yes, the statement that the intercept - the constant term - is the mean is incorrect. In fact, if the series is stationary, the mean is the constant term divided by the complement of the sum of the...
 Forum: Long-Term Actuarial Math 03-17-2019, 02:20 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus It does not state mu is constant, and you've... It does not state mu is constant, and you've proved that it isn't. The question asks you to calculate P for a whole life on (50) at delta=.04 if (50)'s force of mortality is 0.01 higher than the...
 Forum: Long-Term Actuarial Math 03-05-2019, 08:17 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus If they do count in the risk set, why should they... If they do count in the risk set, why should they be subtracted from it?
 03-03-2019, 04:44 PM Replies: 20 Views: 2,598 Posted By Abraham Weishaus "5% significance" means that there is a 5%... "5% significance" means that there is a 5% probability of observing your sample orsomething more extreme if H_0 is true. It means "An event that occurs 5% of the time occurs a significant...
 Forum: MAS-I 02-28-2019, 07:00 PM Replies: 692 Views: 111,673 Posted By Abraham Weishaus Yes. And these were all SOA exam questions. Yes. And these were all SOA exam questions.
 Forum: Long-Term Actuarial Math 02-26-2019, 08:36 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus It is an error. Thanks for pointing it out. It is an error. Thanks for pointing it out.
 Forum: MAS-I 02-26-2019, 08:32 PM Replies: 1 Views: 704 Posted By Abraham Weishaus This question came from the former Exam C manual... This question came from the former Exam C manual where e(x) was defined as mean excess loss: the expected value of the excess of the random variable over x, given that it is greater than x. I'll...
 Forum: Long-Term Actuarial Math 02-17-2019, 12:34 PM Replies: 508 Views: 85,143 Posted By Abraham Weishaus The error was fixed in later editions; the... The error was fixed in later editions; the denominator should be 0.039211, as computed earlier in that solution.
 Forum: Long-Term Actuarial Math 02-12-2019, 04:50 PM Replies: 4 Views: 996 Posted By Abraham Weishaus The only use of statistics is in the part of the... The only use of statistics is in the part of the course discussing mortality rate estimation. You can probably get by without it, since the statistical methods used to derive the formulas (like MLE...
 Forum: MAS-I 01-20-2019, 02:11 PM Replies: 24 Views: 2,360 Posted By Abraham Weishaus In general, new SOA exams, or questions on new... In general, new SOA exams, or questions on new material, tend to be easy. This has been true as long as I can remember. The first sitting of MFE in 2007 was very easy. This is not something that...
 Forum: MAS-I 01-03-2019, 11:45 AM Replies: 14 Views: 2,718 Posted By Abraham Weishaus I didn't notice it either. I see that I'll have... I didn't notice it either. I see that I'll have to delete the last sentence of footnote 1 on page 697 from the latest edition of my manual for MAS-I. Or even better, just delete the paragraph that...
 Showing results 1 to 25 of 300

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