let X be a random variable with finite nonzero variance. by using properties of expected value and variance, verify in detail that the mean and variance of X*- the standardized random variable corresponding to X-are 0 and 1
let X be a random variable with finite nonzero variance. by using properties of expected value and variance, verify in detail that the mean and variance of X*- the standardized random variable corresponding to X-are 0 and 1