5) Suppose XiNormal(0,i21), where i=1,2,,9 and X1,X2,,X9 are independent to each other. Let Y
be a random variable defined as Y=i=19iXi. Find the variance of Y..
5 Suppose XiNormal0i21 where i129 and X1X2X9 a.pdf
1. 5) Suppose XiNormal(0,i21), where i=1,2,,9 and X1,X2,,X9 are independent to each other. Let Y
be a random variable defined as Y=i=19iXi. Find the variance of Y.