参考答案和解析
正确答案:
(1)Z0.05=1.6449, (2)Z0.96=-1.7507, (3)X20.025(15)=27.4884,
(4)X20.975(15)=6.2621, (5)X20.05(50)=67.5042, (6)X20.05(100)=124.3421,
(7)t0.025(19)=2.4334, (8) t0.025(99) =2.7260 (9) F0.05(2,6)=5.1432,
(10) F0.01(3,40)=4.3216, (11) F0.95(2,6)=0.0517, (12) F0.99(3,40)=0.0379
解析:
暂无解析