A continuous random variable has PDF f(x)=6x(1−x)f(x) = 6x(1-x)f(x)=6x(1−x) for x∈[0,1]x \in [0, 1]x∈[0,1]. What is the variance Var(X)Var(X)Var(X)?
0.05
0.25
0.1
0.02