For a continuous probability function f(x)=Kx^2 e^(-x) where x>0. Find (i)K (ii)mean (iii)variance
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A continuous random variable X has a p.d.f. f(x)=3x2 , 0≤x≤1. Find a and b such that (i) P(X≤a)=P(X>a), and P(X>b)=0.05.
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Find the constant c such that the function f(X)= cx^2 for 0<X<30 otherwise
us a density function,and b) compute p(1<X<2)
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