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probabilitymore about probability


  2  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Probability  \Prob`a*bil"i*ty\,  n.;  pl  {Probabilities}.  [L. 
  probabilitas:  cf  F.  probabilit['e].] 
  1.  The  quality  or  state  of  being  probable;  appearance  of 
  reality  or  truth;  reasonable  ground  of  presumption; 
  Probability  is  the  appearance  of  the  agreement  or 
  disagreement  of  two  ideas,  by  the  intervention  of 
  proofs  whose  connection  is  not  constant,  but  appears 
  for  the  most  part  to  be  so  --Locke. 
  2.  That  which  is  or  appears  probable;  anything  that  has  the 
  appearance  of  reality  or  truth. 
  The  whole  life  of  man  is  a  perpetual  comparison  of 
  evidence  and  balancing  of  probabilities. 
  We  do  not  call  for  evidence  till  antecedent 
  probabilities  fail  --J.  H. 
  3.  (Math.)  Likelihood  of  the  occurrence  of  any  event  in  the 
  doctrine  of  chances,  or  the  ratio  of  the  number  of 
  favorable  chances  to  the  whole  number  of  chances, 
  favorable  and  unfavorable.  See  1st  {Chance},  n.,  5. 
  Syn:  Likeliness;  credibleness;  likelihood;  chance. 
  From  WordNet  r  1.6  [wn]: 
  n  1:  a  measure  of  how  likely  it  is  that  some  event  will  occur; 
  "what  is  the  probability  of  rain?";  "we  have  a  good 
  chance  of  winning"  [syn:  {chance}] 
  2:  the  quality  of  being  probable  [ant:  {improbability}] 

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