SOLUTION: Given that Z is a standard normal variable, the variance of Z (1) is always greater than 2:0 (2) is always greater that 1:0 (3) is always equal to 1:0 (4) is always equal to ze

Algebra ->  Probability-and-statistics -> SOLUTION: Given that Z is a standard normal variable, the variance of Z (1) is always greater than 2:0 (2) is always greater that 1:0 (3) is always equal to 1:0 (4) is always equal to ze      Log On


   



Question 948264: Given that Z is a standard normal variable, the variance of Z
(1) is always greater than 2:0
(2) is always greater that 1:0
(3) is always equal to 1:0
(4) is always equal to zero
(5) Cannot assume a specific value

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

in standard normal variable the variance of Z is always 1
(3) is always equal to 1:0