Date: Tue, 27 Feb 2001 21:01:46 +0100
From: "Alexandre Kaoukhov" <[EMAIL PROTECTED]>
Subject: RE: New 70CT questions
Sorry if a bit late...
> Recently I've been coming to the conclusion that I must have a learning
> disorder of some kind. I was never able to keep reading text books that
> introduced and started discussing concepts that it explained in the next
> chapter somewhere... I'd always spend ages looking at the preceeding
> chapters for explanations, never find them, and quit in frustration.
Your disorder is more advanced than mine ;-) It is not a big deal for me if
concept is explained at all. Personally I quit at "It may be easily
shown...", "Left as exercise", "Demonstration can be found in every (put
domain of your interest here) book" next to half-page formula.
Sometimes I think that this is a trick that authors use to boost publishing
industry. You are always sure that in any matter a single book will be never
enough. Sorry to say but I just decided to never again spend any centime on
a manual.
Another point that may rise our self-esteem: whenever I persist to dig to
get trough any matter I can not understand I discover that the first
explanation was either wrong or oversimplified.
> Then I'm not certain when someone is putting me on. "Memoryless
> property"
> sounds like everything I own... all that stuff just can never
> remember what
> I did with it all! So maybe I need the kindergarten course ;-)
Indeed that is a bit complicated and involves conditional probabilities.
Memoryless means that if your monitor did not fail after one year of use its
life expectancy is the same as it was new.
If you need more detail on proof go to http://www.dartmouth.edu/~chance
Download a book of Grinstead, C. M. and J. L. Snell (1997). Introduction to
probability.
page 206.
Hope this helps,
Alexandre
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