r - How to plot a constant function Probability Density Function -


i have function this:

f(x) = 1/b-a  = 5% , b =15% , x = rate of return.

i plot probability density function of this.

what have tried:

i know need use dname() density or probability function not know name pass this.

as roman suggests, how following:

curve(dunif(x, min = 5, max = 15),0,20,n=101,xlab='expected return',ylab='density')

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