【单选题】【消耗次数：1】
<img src=https://huaweicloudobs.ahjxjy.cn/0DA5F93E7B070EED428D495CF31647AC.png title=题干.png alt=题干.png width=801 height=116 style=width: 801px; height: 116px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/3B086B42DCCC1ED1EB7498FA5935ED07.png style=width: 138px; height: 36px; title=1.png width=138 height=36/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2CE9644A9C302B05D36F04B3DFA182E2.png title=2.png style=white-space: normal; width: 263px; height: 36px; width=263 height=36/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/787FF5A07E68F2C8842EB4892E28490F.png title=3.png style=white-space: normal; width: 130px; height: 34px; width=130 height=34/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F76D4A1857C973750889BBA14FEF8956.png title=4.png style=white-space: normal; width: 226px; height: 56px; width=226 height=56/>
参考答案：
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相关题目
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B7319F3A2E4D8147392704EDBDF5276F.png title=题干.png alt=题干.png width=825 height=47 style=width: 825px; height: 47px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/C11832AB0459C6359BE89FC090E4981E.png style=width: 195px; height: 47px; title=2.png width=195 height=47/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/B7C148A344072B4A45D3F2352B2C8E8E.png title=1.png style=white-space: normal; width: 100px; height: 39px; width=100 height=39/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F00599135518EF9BDA37FFBD82725667.png title=3.png style=white-space: normal; width: 199px; height: 51px; width=199 height=51/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/41C4696FDAC2A6470FF8CB3A1D4A94D6.png title=4.png style=white-space: normal; width: 149px; height: 49px; width=149 height=49/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/6EFB3C2013FC4E033200C1A9A9000E55.png title=题干.png alt=题干.png width=807 height=36 style=width: 807px; height: 36px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/46918E1566E3B7754A6DFDF826D7F77B.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2D4BFCB4099D3ECDA21908B30BB8B6DF.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/985655EEA05455DD696FB0233B0ECD1F.png title=2.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/48BEE96B3527491AD2FAB49C3BC56340.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/CD06610B35948D1DE51C5BF3A8EC36BE.png title=题干.png alt=题干.png width=778 height=76 style=width: 778px; height: 76px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/061705AE237CFDFFB69B6866FF40278C.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/392CD3024B6445EB60EFA0BAA54311CD.png title=3.png style=white-space: normal; width: 735px; height: 86px; width=735 height=86/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1734F9887CF8B20581EDC18E4732E631.png title=2.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2DFA2E7A019D116E0DDDB3D63A90D1B9.png title=4.png style=white-space: normal; width: 752px; height: 110px; width=752 height=110/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4B1B96F74AEAFA4845C003175FF7B97A.png title=题干.png alt=题干.png width=835 height=138 style=width: 835px; height: 138px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E71DE4E71D84BF8E0502B9D4B6CF783E.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/D63DCA0E181BA13E946D15F7D9A46FD0.png title=2.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C4CCA2F7E25978F5F38B553D61300A40.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9ECE1659F829E365F113D090EBF59A41.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A8E4C3D646506F07AC65CBDB7BE1F878.png title=题干.png alt=题干.png width=677 height=55 style=width: 677px; height: 55px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/22D9E2FBFBBE875D7C389BCBBB31ED46.png style=width: 117px; height: 39px; title=1.png width=117 height=39/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BE6AEE28E63DC2EBAEE39D2E2A78B75D.png title=3.png style=white-space: normal; width: 105px; height: 41px; width=105 height=41/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5A7BF729812A774A886A8A338C9599AA.png title=2.png style=white-space: normal; width: 171px; height: 77px; width=171 height=77/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A8B1E44C860B7C7705275736D51C356C.png title=4.png style=white-space: normal; width: 195px; height: 73px; width=195 height=73/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/1F741213CCA2A4B3982BA3C0A0C335E6.png title=题干.png alt=题干.png width=850 height=86 style=width: 850px; height: 86px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/7B008D7EF477B871119431402F44C8CE.png style=width: 372px; height: 51px; title=2.png width=372 height=51/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C5506FC74D312DE8C82B9433983A4BE9.png title=1.png style=white-space: normal; width: 432px; height: 53px; width=432 height=53/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/EF2784BC0473802D8960F7FCDFED59F2.png title=3.png style=white-space: normal; width: 808px; height: 115px; width=808 height=115/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/9D9F6887A48F617B7C020B33E58BCA46.png title=4.png style=white-space: normal; width: 786px; height: 115px; width=786 height=115/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B84D3F30674499098A62B4CBF6D950CE.png title=题干.png alt=题干.png width=794 height=101 style=width: 794px; height: 101px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/A5E2D80BB78C87A174D13B7D816C43F9.png style=width: 179px; height: 42px; title=1.png width=179 height=42/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/01E34C7338B31B4366A8843285A0C7C6.png title=3.png style=white-space: normal; width: 222px; height: 30px; width=222 height=30/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1CD7E6137890EED791F3795B632830DA.png title=2.png style=white-space: normal; width: 207px; height: 46px; width=207 height=46/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/DB5C14F6856142AD84BEA807B78BC820.png title=4.png style=white-space: normal; width: 225px; height: 40px; width=225 height=40/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/3F44424811773A9DEA14A317F21E100F.png title=题干.png alt=题干.png width=695 height=46 style=width: 695px; height: 46px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B4A1FBBB05D41179A1A0905BF4B3FCA2.png style=width: 352px; height: 98px; title=2.png width=352 height=98/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/3B3009B83E7506FCF15373A7F0F67602.png title=1.png style=white-space: normal; width: 352px; height: 74px; width=352 height=74/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/FFD46E383E8700A017C1CC4F5C443642.png title=3.png style=white-space: normal; width: 373px; height: 87px; width=373 height=87/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7D23572729288CD7605F165B1809FB33.png title=4.png style=white-space: normal; width: 401px; height: 94px; width=401 height=94/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B9F01B61D310C36CF933689D8950ADE0.png title=题干.png alt=题干.png width=820 height=51 style=width: 820px; height: 51px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/488691FD21F082D82BF0E8EE6F825855.png style= title=3.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/1482BE9C4E2C01B5BF5F3F346810837C.png title=1.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/E0998F2E1721026B61A1EB3149FEC3E5.png title=2.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A0B6917D7D798A2D138F255969D7C923.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A5C8EEE864F5E420D7493392492A0ACB.png title=题干.png alt=题干.png width=550 height=46 style=width: 550px; height: 46px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E8227261439D1CC3AFC73FDCD39FA1A6.png style=width: 207px; height: 46px; title=1.png width=207 height=46/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CB6F6A16DA23CE2A67886B7775A68BDE.png title=2.png style=white-space: normal; width: 218px; height: 46px; width=218 height=46/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/297525CEB8D748EFCE660ACBDD03A357.png title=3.png style=white-space: normal; width: 194px; height: 48px; width=194 height=48/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/60971BFBB0EE2D5FAA7B5D162BA33876.png title=4.png style=white-space: normal; width: 131px; height: 46px; width=131 height=46/>
随机题目
【单选题】
若两个随机变量X,Y相互独立,则它们的连续函数g(x)和h(y)所确定的随机变量( ).
①
不一定相互独立
②
一定不独立
③
也是相互独立
④
绝大多数情况下相独立
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/DE0B303CD9B0D9E07BAA348D594E6EEE.png title=题干.png alt=题干.png width=805 height=84 style=width: 805px; height: 84px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1E630CD3D1616B1241329F59B82EC103.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/DF9D30A20651AFBE6C69A70B1592EC9F.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/46629B4BD3E0D61047901F0BE8C34111.png title=2.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/FD6622733B31283F27C3B193A92D77C0.png title=4.png style=white-space: normal;/>
【单选题】
将一枚硬币连抛两次，则此随机试验的样本空间为（ ）
①
{（正，正），（反，反），（一正一反）}
②
{(反，正)，（正，反），（正，正），（反，反）}
③
{一次正面，两次正面，没有正面}
④
{先得正面，先得反面}
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/7D6405BC6B841319B95EFF530DB8AB2C.png title=题干.png alt=题干.png width=833 height=142 style=width: 833px; height: 142px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/37EFF5E04B06643C14AD920EE3C0A71F.png style= title=2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/34C22D96272AD7104DC84C24FA15EE4A.png title=1.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B359E51153DA44B31870C02660FADFD4.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/840AC675A875D4E7DEF7E0BBCA86945F.png title=4.png style=white-space: normal;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/83BA619E1FE88B6E27AD3943DA5D59FF.png title=题干.png alt=题干.png width=587 height=55 style=width: 587px; height: 55px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/69200ED34BFECA11518B3A6D5686907C.png style=width: 412px; height: 51px; title=1.png width=412 height=51/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/6F7FD729388E94AAABFAD8B23B63220A.png title=3.png style=white-space: normal; width: 482px; height: 55px; width=482 height=55/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CE6D788FA9FC5249DFB05C614EEC6B57.png title=2.png style=white-space: normal; width: 794px; height: 45px; width=794 height=45/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/A011CBD202E3451AD8FDE46016DD8F04.png title=4.png style=white-space: normal; width: 771px; height: 45px; width=771 height=45/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/F1324B7F7F61B079B2100E0BC20B6007.png title=题干.png alt=题干.png width=843 height=50 style=width: 843px; height: 50px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/B9CC1439784C2BE146D84D79E7844E29.png style=width: 255px; height: 37px; title=3.png width=255 height=37/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/E99D92E6781DE3E637F6D69B618BB899.png title=1.png style=white-space: normal; width: 435px; height: 42px; width=435 height=42/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/5CC268F859C184DA65982FD626A1B2C7.png title=2.png style=white-space: normal; width: 330px; height: 50px; width=330 height=50/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8CFC9E018245536F53DC6933BDCCE8B1.png title=4.png style=white-space: normal; width: 400px; height: 36px; width=400 height=36/>
【单选题】
关于检验水平a的设定,下列叙述错误的是( ).
①
a的选取本质上是个实际问题,而非数学问题
②
在检验实施之前,a应是事先给定的,不可擅自改动
③
a即为检验结果犯第一类错误的最大概率
④
为了得到所希望的结论,可随时对a的值进行修正
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/29E65629D2B5503C003EB7062FE42591.png title=题干.png alt=题干.png width=799 height=147 style=width: 799px; height: 147px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/4AFE1C1A40ACE94179DA486477223918.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9A5C0D5A7012A3220449A23A8B0173DB.png title=2.png style=font-size: 18.018px; white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/51D92B7B1ABB64CF66AB812DBC3361C2.png title=3.png style=font-size: 18.018px; white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7C91FDCCD527FABCF1925DE8B931CF38.png title=4.png style=font-size: 18.018px; white-space: normal;/>