(Solved):
Suppose R1 and R2 are two independent random variables with the same density function f(x ...
Suppose R1 and R2 are two independent random variables with the same density function f(x)=xexp(−21x2) for x≥0. Find (a) the density of Y=min{R1,R2}; b) the density of Y2; c) E(Y2).