2. 财务会计
  3. 若 P(A)=0.5,F(B)=0.4,则P(AUB)等于: A. 0. 6

若 P(A)=0.5,F(B)=0.4,则P(AUB)等于: A. 0. 6

Freeti2019-12-17  9
问题 若 P(A)=0.5,F(B)=0.4,则P(AUB)等于: A. 0. 6 B. 0. 7 C. 0. 8 D.0. 9
选项
答案B
解析[img]/upload/tiku/190/2457374_1.jpg[/img]
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