Recent content by hjqusai

  1. H

    Stats Problem about Expectations of Random Variables

    Didn't know that second formula. Thanks for your help!
  2. H

    Stats Problem about Expectations of Random Variables

    Homework Statement Let X have mean u and variance s^2. Find the mean and the variance of Y=[(X-u)/s]Homework Equations The Mean is linearThe Attempt at a Solution I thought to just plug in the mean of X anywhere i saw it in Y so mean of Y would be 0 and then for the variance I was kind of...