Search results with tag "Weconsidertwo"

SomeFormulasofMeanandVariance: Weconsidertwo ...

E(aX) =aE(X) in the second equality and E(X +Y) = E( X )+E( Y ) in the third equality are utilized, where X and Y are random variables and a is a constant value.

  Someformulasofmeanandvariance, Weconsidertwo