单项选择题
A.7B.8C.9D.10E.11
A.0.1557B.0.3595C.0.3679D.0.5883E.0.6128
A.0.0265B.0.0356C.0.0577D.0.0596E.0.0968
A.0.4243B.0.2644C.0.1923D.0.0423E.0.0323
A.1,2,0,1,0B.2,1,0,1,0C.1,2,1,0,0D.3,2,2,1,1E.2,1,1,0,0
A.∑Xi =1,n=2B.∑X i =1,n=4C.∑X i =0,n=2D.∑X i =0,n=4E.∑X i =0,n=6
A.0.96%B.8.8%C.9.2%D.9.4%E.9.8%
A.10,10,0B.50,10,0C.100,50,10D.10,0,0E.100,50,0
A.-1.2%B.-1.52%C.0D.1.2%E.1.52%
A.8123B.8693C.8256D.8376E.8489
A.3015B.3258C.2450D.3471E.3515