_{Suppose that X1, ..., Xn are independent and identically distributed (iid) from a distribution with mean ? and variance ?2}

_{n is large and T =}?Xi

_{Obtain an approximation to P(T>n? +} n?_{? )}

5.43 Suppose that X1, . .., Xn are iid from a distribution with mean / and variance of, n is large and T = _ Xi. Obtain an approximation to P(T > nut vno)