Answer Happy

Posted: **Tue Apr 26, 2022 5:48 pm**

: 1 Y And Y2 Are Identically Distributed Random Variables With Zero Mean A Is It Always True That Var Y1 Y2 Var 1 (21.13 KiB) Viewed 30 times

1. Y¡ and Y2 are identically distributed random variables with zero mean. (a) Is it always true that Var[Y1 + Y2] > Var[Y2]? (b) Let k > 0 be a constant. Is it possible that Var[Y1 + kY2] > Var[Y] under all conditions? If no, find the values (or ranges) or k.