QuestionLet X1,X2,…,X10X_1,X_2,\ldots,X_{10} be i.i.d. random variables with common MGF MX(λ)M_X(\lambda). Find the MGF of Xˉ\bar X, where Xˉ=(X1+⋯+X10)/10\bar X=(X_1+\cdots+X_{10})/10.
