设X为随机变量，[img=173x29]1803be414ac6541.png[/img]用切比雪夫不等式估计[img=186x29]1803be4152f1081.png[/img] .
A: [img=37x43]1803be415b72f05.png[/img]
B: [img=37x43]1803be416366111.png[/img]
C: [img=37x43]1803be416be96fe.png[/img]
D: [img=37x43]1803be4174042f2.png[/img]
A: [img=37x43]1803be415b72f05.png[/img]
B: [img=37x43]1803be416366111.png[/img]
C: [img=37x43]1803be416be96fe.png[/img]
D: [img=37x43]1803be4174042f2.png[/img]
举一反三
- 设X为随机变量，[img=173x29]1803be4065489af.png[/img]用切比雪夫不等式估计[img=186x29]1803be406c7ec0d.png[/img] . 未知类型：{'options': ['', '', '', ''], 'type': 102}
- 设随机变量[img=91x25]18033d2cf04c0de.png[/img],[img=100x43]18033d2cf840ff5.png[/img]且相互独立，根据切比雪夫不等式有[img=176x25]18033d2d01b0f04.png[/img]（ ） A: [img=51x21]18033d2d0a6af6f.png[/img] B: [img=37x43]18033d2d12681d7.png[/img] C: [img=51x21]18033d2d1b654fd.png[/img] D: [img=37x43]18033d2d247935d.png[/img]
- 计算[img=221x50]1802e05d7ea814f.png[/img]= ( ) A: [img=37x43]1802e05d8744e44.png[/img] B: [img=37x43]1802e05d8f8d423.png[/img] C: [img=37x43]1802e05d978ec85.png[/img] D: [img=37x43]1802e05da0106e6.png[/img]
- 计算[img=221x50]1802e05d9a17183.png[/img]=( ) A: [img=37x43]1802e05da2a799c.png[/img] B: [img=37x43]1802e05daa48d37.png[/img] C: [img=37x43]1802e05db1f9a38.png[/img] D: [img=37x43]1802e05dbac6274.png[/img]
- 计算下列反常积分:[img=149x50]1803d7b5e0d4e75.png[/img] A: [img=37x43]1803d7b5e89f40b.png[/img] B: [img=37x43]1803d7b5f1ec4c4.png[/img] C: [img=37x43]1803d7b5fb2cc11.png[/img] D: [img=37x43]1803d7b603af592.png[/img] E: [img=37x43]1803d7b60b8cf53.png[/img]