The random variable x takes values on the interval [0,1], and its probability density
function f_(x)(x) is proportional to x^(2)(1-x)^(2). Compute the second moment of x.
The random variable Xtakes values on the interval [0,1], and its probability density
function fx(x) is proportional to x2(1-x)2. Compute the second moment of X.