A.0.193
B.0.293
C.0.393
D.0.493
E.0.593
[单选题]A.P(A)<P(A|B)B.P(A)≤P(A|B)C.P(A)>P(A|B)D.P(A)≥P(A|B)
[问答题]
[单选题]A.B.C.D.E.
[单选题]A.0B.1C.-π/2D.π/2
[单选题]A.B.C.D.