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Re: [AI] Chapter 13, Probability Density Functions

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  • ANithian
    Uniform distribution simply means that any point is equally likely along the interval 18-26 deg C. So ANY point (say 20.5) is 12.5% likely to happen. All the
    Message 1 of 2 , Mar 5, 2007
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      Uniform distribution simply means that any point is equally likely
      along the interval 18-26 deg C. So ANY point (say 20.5) is 12.5%
      likely to happen.

      All the book is trying to say is that the probability of the
      temperature being EXACTLY 20.5 is 0 (the probability of a single point
      in a continuous distribution function is zero) but that the
      probability of the temperature being "around" 20.5 is 12.5%. That
      interval could be say 1/10 of a degree.. so 20.4 -> 20.6.
      --- In aima-talk@yahoogroups.com, "Ahmed Mostafa" <eng.ahmed2007@...>
      wrote:
      >
      > ÇáÓáÇã Úáíßã æÑÍãÉ Çááå æÈÑßÇÊå
      >
      > In chapter 13: Uncertainty, page 469, I couldn't understand how did the
      > author calculate
      >
      > > P( X = 20.5 ) = U[ 18, 26 ]( 20.5 ) = ( 0.125 ) / C
      > >
      > nor the limit at the end of the page!!
      >
      > Could someone explain please?
      >
      > Thanks a lot
      >
      > ÇáÓáÇã Úáíßã æÑÍãÉ Çááå æÈÑßÇÊå
      > --
      > Ahmed Mostafa
      > 0123919750
      > Fourth Year,
      > Computer Engineering Department,
      > Faculty of Engineering,
      > Cairo University
      >
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