问答题查表求(1)Z0.05;(2)Z0.96;(3)X20.025(15);(4)X20.975(15);(5)X20.05(50);(6)X20.05(100);(7)t0.025(19);(8)t0.025(99);(9) F0.05(2,6);(10) F0.01(3,40);(11) F0.95(2,6);(12) F0.99(3,40)。

题目
问答题
查表求(1)Z0.05;(2)Z0.96;(3)X20.025(15);(4)X20.975(15);(5)X20.05(50);(6)X20.05(100);(7)t0.025(19);(8)t0.025(99);(9) F0.05(2,6);(10) F0.01(3,40);(11) F0.95(2,6);(12) F0.99(3,40)。

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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