作者bluesnow4425 (衰弱殘)
看板Statistics
標題[問題] 有關機率的問題..
時間Fri Dec 5 06:38:59 2008
自修時寫的題目 可是他只有答案我真的不知道我錯在哪ˊˋ
Two events are complementary when
A. the sum of their probabilities equal one.
B. the joint probability of the two events is one.
C. they are both independent and mutually exclusive.
D. None of the above
請教各位板大
為什答案不是A
而是D啊?
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