智慧运动场直播网页:同济概率论习题答案
去图书馆找吧,应该有的
1. (1) ; (2) ; (3) ; (4) ; (5)
(6) ; (7) ; (8) ; (9) ; (10) .
2. (1) ; (2) ; (3) ; (4) .
3. 0.49, 0.83.
4. (1) 0.2022; (2) 0.0001; (3) 0.7864; (4) 0.2136; (5) 0.0114. 改变抽取方式,概率不变.
5. 30%. 6. 80%. 7. (1) 0.405; (2) 0.238; (3) 0.656; (4) 0.488; (5) 0.371; (6) 0.205.
8. (1) 0.65; (2)0.25; (3)0.55; (4)0.15; (5) 0.733; (6) 0.6.
9. (1) 0.67; (2)0.60; (3) 0.26 . 10. 0.5. 11. 0.0083. 12. 3.45%
13. 0.973. 14. 0.154. 15. 11.5%. 16. (1) 0.36; (2) 0.41; (3) 0.14.
17. (1) ; (2) ; (3) ; (4) ; (5) ; (6) ; (7) ; (8) ; (9) ; (10) .
概率论习题二答案
1.
0 1 2
2.
0 1
3.
4.(1)
1 2 3
(2)
0 1 2 3
0.008 0.096 0.384 0.512
5.
1 2 3 4 5
0.8 0.16 0.032 0.0064 0.0016
6. 0.3758. 7. 0.1114,0.6331. 8.0.1272. 9. 51.
10. (1) 0.1954.; (2) 0.4335 ; (3) 0.2149 ; (4) 0.0183.
11. 8. 12. (1) 0.4; (2) 0.5. 13. (1) 12; (2) 0.0272.
14. (1) ; (2) . 15. , , , .
16. 0.9861, 0.0392, 0.2235, 0.8788, 0.0124 .
17.(1)0.5328, 0.9878, 0.3085, 0.1359, 0.9345; (2)
18. 184 . 19. (1)6.7%; (2)15.9%.
20. (1) ; (2) ; (3) ; (4) ; (5) ; (6) ; (7) ; (8) ; (9) ; (10) .
概率论习题三答案
1. 0.35, , 1.505. 2. 6/7 (台). 3. 1. 4. 44.46(分).
5. . 6. 2.2(次). 7. 1.3825, 20/49, 1/6. 8. 31.25(小时).
9. (1) 0.60; (2) 3.2元; (3) 26400元; (4)1.06, 1.03. 10. (1) , , 0.0733 .
11. (1) ; (2) ; (3) ; (4) ; (5) ; (6) ; (7) ; (8) ; (9) ; (10) .
概率论习题四答案
1. 0.8293. 2. 0.1336.
3. (1)1.6973; (2)2.1199; (3)2.4411,0.99,0.01,0.01,0.02; (4)16.919; (5) 8.897; (6)10.865,0.9,0.1.
4. (小时), (小时 ), 0.0107
5. 0.0793. 6. 0.4714. 7. (1)0.1802; (2) 443.
8. (1) ( 21.58,22.10 ); (2) ( 21.29,22.39 ). 9. ( 0.38,8.71 ), ( 0.62,2.95 ). 10. ( 2.69,2.72 )
11. 有显著性差异. 12. 可以认为镍含量的均值为3.25.
13. (1)拒绝 ,接受 ; (2) 接受 ,拒绝 . 14. 无显著提高.
15. 平均寿命值质量和稳定性都合乎要求. 16.显著地偏大.
17. (1) ; (2) ; (3) ; (4) ; (5) ; (6) ; (7) ; (8) ; (9) ; (10) .
你哪本教材啊?书后面不有答案么?!