問題詳情

5. Consider two independent random variables X1 and X2 with Poisson distribution:

Which of the following statements is wrong?
(A) The mean of Xi is λi
(B) The variance of Xi is 1/ λi 
(C) The moment generating function of Xi is


(D) X1 + X2 is Poisson distributed
(E) None of these

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增