Well, in general, you can use the following functions:
http://stat.ethz.ch/R-manual/R-patched/library/stats/html/Binomial.html

See the examples at section "Examples".
You may want to try the following:
n<-10
k <- seq(0, n, by = 1)
plot (k,dbinom(k,n,0.5,log =FALSE),type="l")
plot(k,pbinom(k,n,0.5,log=FALSE),type="l")

Was this your question?

2013/5/9 심정인 <wjddls2...@naver.com>:
> Hi
> My name is Jeong In Sim, and I'm korean.
> I'm learning 'R' on my own, so I have a question.
>
> I want to make probability density function and cumulative density function 
> when X~Bin(10,0.5)
> How can I draw graph? Which function do I have to use?
>
> I want your help as soon as possible. Thank you
>
>         [[alternative HTML version deleted]]
>
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-- 
Neumann, Conrad

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