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Topic: An old SAT problem
Replies: 11   Last Post: Apr 11, 2007 4:37 PM

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Posts: 1,683
Registered: 2/12/07
Re: An old SAT problem
Posted: Apr 10, 2007 11:29 AM
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quasi wrote:
> On 10 Apr 2007 07:46:34 -0700, "Pubkeybreaker" <>
> wrote:

> Exactly. So in the real world, when you have to make a decision, and
> you can't ask a question on the spot to clarify the precise meaning of
> the question, it's reasonable to make the most natural choices for the
> unstated assumptions.

Most natural for whom?? For some people the most natural assumption
*is* that when one computes rates of return, it is the rate of return
on an
income *stream* and thus assumes that all monies received are re-
The solution to a problem should NOT depend on the level of domain
expertise of the
problem solver.

>To some extent, that could be viewed as part of
> what is being tested for -- the common sense to keep the
> interpretation simple.

I disagree. With this interpretation questions are no longer just
about solving a
mathematical problem, but also about *guessing* what the poser of the
intended. This can be a cultural/psychological matter that has
nothing to do with

Mathematical questions should be posed in a clear concise manner that
*not* require interprtation of intent.

It would have been easy in the original question to state: "simple
annual interest".
Failure to do so is a reflection of the lack of competence of the one
who wrote the

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