QuestionLet X1,X2,…,XnX_1,X_2,\ldots,X_n be i.i.d. Poisson(9)(9). Using Chebyshev's inequality, what should be the minimum value of nn such that the probability that the sample mean Xˉ\bar X lies between 8.68.6 and 9.49.4 is at least 0.950.95?