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Re: Strange Probability function behavior (Bug?)


Oh wait, never mind, it works now that I've restarted the program. Not sure
what happened. But its fine now.

On Mon, Nov 14, 2011 at 5:43 AM, Bob Hanlon <hanlonr357 at gmail.com> wrote:

> Works here. Probability is new in version 8. Are you using version 8?
>
> $Version
>
> "8.0 for Mac OS X x86 (64-bit) (October 5, 2011)"
>
> Probability[x == 3, Distributed[x, PoissonDistribution[m]]]
>
> ((1/6)*m^3)/E^m
>
>
> Bob Hanlon
>
>
> On Mon, Nov 14, 2011 at 7:07 AM, Brentt <brenttnewman at gmail.com> wrote:
> > Hello,
> >
> > If I go to the Probability function  documentation, and evaluate a
> > probability function in the documentation notebook, the probability
> > function works as would be expected, for example:
> >
> > In[0]:= Probability[x == 3, Distributed[x, PoissonDistribution[m]]]
> >> Out[0]= 1/6 E^-m m^3
> >>
> >
> > So far so good.
> >
> > But strangely, if I open up a new notebook and copy and paste the exact
> > expression from above into it, I get this
> >
> > In[0]:= Probability[x == 3, Distributed[x, PoissonDistribution[m]]]
> >> Out[0]:= Probability[True, 3 \[Distributed] PoissonDistribution[m]]
> >>
> >
> > What could possibly be happening here? Is this a bug?
> >
>


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