已知t
=2.101,则区间(-2.101,2.101)与曲线所围面积是
A:2.5% B:5.0% C:95.0% D:97.5% E:99.0%
已知t0.05/2,18 =2.101,则区间(- 2.101,2.101)与曲线所围面积是
A:95.0% B:97.5% C:99.0% D:2.5% E:5.0%
已知t0.05/2,18 =2.101,则区间(- 2.101,2.101)与曲线所围面积是
A:95.0% B:97.5% C:99.0% D:2.5% E:5.0%
已知t0.05/2,18=2.101,则区间(-2.101,2.101)与曲线所围面积是
A:95.0% B:97.5% C:99.0% D:2.5% E:5.0%
已知t0.05/2,18=2.101,则区间(-2.101,2.101)与曲线所围面积是
A:95.0% B:97.5% C:99.0% D:2.5% E:5.0%
已知t0.05/2,18=2.101,则区间(-2.101,2.101)与曲线所围面积是
A:95.0% B:97.5% C:99.0% D:2.5% E:5.0%