問題詳情

Problem 7. (2.5 %) Consider two random variables X and Y, each taking values in {1,2,3}. Let their joint PMF be such that for any 1 ≤ x,y ≤ 3, 


Then,
(A) X and Y can be independent or dependent depending upon the strictly positivevalues
(B) X and Y are always independent
(C) X and Y can never be independent

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