# Finding pdf of a random variable

7.9.1 Let Y1<Y2<Y3<Y4 denote the order statistics of a random sample of size n=4 from a distribution having pdf f(x;θ)= 1/θ, 0<x<θ, zero elsewhere, where 0<θ<infinity. Show that the pdf is of the form 1/θ f(x/θ), where f(w)=1, 0<w<1, zero elsewhere.

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The solution contains detailed explanation of finding probability density function (pdf) of a random variable.

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