Re: Probability Density Function
- To: mathgroup at smc.vnet.net
- Subject: [mg74816] Re: Probability Density Function
- From: dh <dh at metrohm.ch>
- Date: Fri, 6 Apr 2007 04:22:46 -0400 (EDT)
- References: <ev2beo$kl0$1@smc.vnet.net>
Hi Tony,
here is a simple approach consisting of creating the different pieces
and showing them together:
<< Graphics`FilledPlot`
fun[x_]:=Exp[-x^2];
g1=FilledPlot[fun[x],{x,-1,1}];
g2=Plot[fun[x],{x,-3,3}];
Show[g1,g2]
and
fun[x_]:=Exp[-x^2];
g1=FilledPlot[fun[x],{x,-3,-1}];
g2=FilledPlot[fun[x],{x,1,3}];
g3=Plot[fun[x],{x,-3,3}];
Show[g1,g2,g3]
Daniel
Tony Harris wrote:
> Hello,
>
> I have graphed a normal probability density function with a mean of 10 and a
> standard deviation of 2.5. I named this function f[x]
>
> I wanted to know how to use the "FilledPlot" to show the area under the
> curve for (x<8) and (7.5<x<11).
>
> I have the probability for x<8 to be .212 and for 7.5<x<11 to be .497 by
> calculating the definite integral of the function f[x] for these two
> probabilities.
>
> I have the cacluation of the probabilities included but no idea on how to
> continue and display each of these in a graph.
>
> Thanks,
>
> T Harris
>
>