若P(A) = 0. 8, A. 0. 4 B. 0. 6 C. 0. 5 D

恬恬2019-12-17  13

问题 若P(A) = 0. 8,A. 0. 4 B. 0. 6 C. 0. 5 D. 0. 3

选项

答案A

解析[img]/upload/tiku/190/2457380_1.jpg[/img]
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