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


Posts:
822
Registered:
9/1/10


Re: Percentage question
Posted:
Feb 4, 2013 8:02 PM


On Feb 4, 5:01 pm, Musatov <marty.musa...@gmail.com> wrote: > On Feb 3, 6:37 pm, William Elliot <ma...@panix.com> wrote:> 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. > > truth=6%+truth,MUSAATOV
LEFT3RIGHT



