A、P(A)P(B)
B、P(A)P(A%7cB),P(B)>0
C、P(B)P(A%7cB),P(B)>0
D、1-P(<img src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/66d77423-454c-4655-9b13-e418ac20f079.png" width="17" height="20">)·P(<img src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/3bb1013c-6f56-426d-9b7b-c39bb87b3dd6.png" width="17" height="20">)