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## 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;
likelihood.

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.
--Buckminster.

We  do  not  call  for  evidence  till  antecedent
probabilities  fail  --J.  H.
Newman.

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]:

probability
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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