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A.0.072 9 B.0.008 56
C.0.918 54 D.0.991 44
A.0.072 9 B.0.008 56 C.0.918 54 D.0.991 44
若ξ~B(5,0.1),那么P(ξ≤2)等于
A.0.0729 B.0.00856 C.0.91854 D.0.99144