in Unknown Category edited by
276 views
1 vote
1 vote

Let $X_1,\dots X_{50}$ be independent random variables following $N(0,1)$ distribution.

Let $\Sigma _{i=1}^{50} X^2_i,$ and $E(Y)=a$ and $Var(Y)=b.$ Then, the ordered pair $(a,b)$ is:

  1. $(50,100)$
  2. $(50,50)$
  3. $(25,50)$
  4. $(25,100)$
in Unknown Category edited by
by
276 views

Please log in or register to answer this question.

Related questions