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#231
01-17-2018, 08:39 AM
 dkamka Member SOA Join Date: Jul 2010 Location: Austin, Texas Studying for C College: Roosevelt University Alumnus '10 Favorite beer: Jawa Juice Posts: 381

On Mahler 7, I did get that wrong, but only because I forgot to multiply by the (1+r)^5 which I factored out per TIA recommendation. It was easy chug and plug if you discount the expected value by (1+r)^5, then you don't need to worry about scaling factors at all. Mahler actually noted, "if you forgot to multiply back through by..." as he explained the alternate sol'n, my way HAHA
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#232
01-17-2018, 08:51 AM
 Outsanity Member CAS Join Date: Jul 2012 College: 1st year Posts: 274

Quote:
 Originally Posted by dkamka On Mahler 7, I did get that wrong, but only because I forgot to multiply by the (1+r)^5 which I factored out per TIA recommendation. It was easy chug and plug if you discount the expected value by (1+r)^5, then you don't need to worry about scaling factors at all. Mahler actually noted, "if you forgot to multiply back through by..." as he explained the alternate sol'n, my way HAHA
I had it set up correctly, but I went "NOPE. AIN'T GOT TIME FOR THIS." when I saw the E(X^d) formula. xD

Oh man. These Mahlers. 140 questions down, 375 more to go. I'm always behind my schedule, ugh. Was hoping to be halfway done by now.
#233
01-17-2018, 05:23 PM
 dkamka Member SOA Join Date: Jul 2010 Location: Austin, Texas Studying for C College: Roosevelt University Alumnus '10 Favorite beer: Jawa Juice Posts: 381

Quote:
 Originally Posted by Outsanity Pretty sure it's a universal truth that reviewing = do better. 12/20 on Mahler 6 13/20 on Mahler 7. I flat out skipped the Inverse Gaussian E(X^d) questions, though. I knew how to do them but that E(X^d) formula is a piece of work xD
yeah that's one that makes me cringe when I look at it. z and y are such simple ratios, so just organizing those values and being organized is crucial to get through it. I expect one or possibly two at most of those ugly distributions, but given they're so uncommon, the question may actually be not too bad with a little luck
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#234
Yesterday, 10:12 AM
 Outsanity Member CAS Join Date: Jul 2012 College: 1st year Posts: 274

Okay, checking in with
Mahler #8 - 15/20
Mahler #9 - 12/20

Is it just me or does Mahler #9 feature the oddest distribution of questions, with some too-simple-to-be-Mahler kernels/Bayesian/etc and some what-just-happened convolutions of what-is-that topics?

No idea where Mahlers/all these PE is going, to be honest ><" Such a huge variance in difficulty, topics, topic convolutions..etc
#235
Yesterday, 03:47 PM
 dkamka Member SOA Join Date: Jul 2010 Location: Austin, Texas Studying for C College: Roosevelt University Alumnus '10 Favorite beer: Jawa Juice Posts: 381

Mahler #5 Q13, is it at all likely the SOA would give such a hint
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