Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.



Re: Percentage question
Posted:
Feb 4, 2013 7:48 AM


> On Sun, 3 Feb 2013, Anonymous wrote:
> > I heard that lie dector results are correct 53 to 47%.
> You heard wrong. If you heard correctly, it could have been > "lie dector results are correct 47 to 53% of the time".
> > Am I correct in saying that this means that there is a 3% chance of the > > test being right and a 97% chance of it being wrong?
> No. It indicates that lie decetors results are right about half the time.
Ok thanks. In other words, the results may be right or they may be wrong. :)



