only answer Let X1,X2,X3, be independent identically distributed random variables, with
E(Xi)=,Var(Xi)=20. Let Sn=X1+X2+X3++Xn Let Mn=Snn. Then Mn is a martingale with
respect to Xn for = to: i) ii) 2 iii) n iv) v) vi) none of the above.
only answer Let X1,X2,X3,� be independent identically distributed.pdf
1. only answer Let X1,X2,X3, be independent identically distributed random variables, with
E(Xi)=,Var(Xi)=20. Let Sn=X1+X2+X3++Xn Let Mn=Snn. Then Mn is a martingale with
respect to Xn for = to: i) ii) 2 iii) n iv) v) vi) none of the above