曲线<img src=https://huaweicloudobs.ahjxjy.cn/73D08B64E304376426DF6152D245CF76.png title=AMB(M~3LYNWLF3DOTT2JESA.png alt=AMB(M~3LYNWLF3DOTT2JESA.png/>

【单选题】【消耗次数：1】

① <img src=https://huaweicloudobs.ahjxjy.cn/792660ACA882F57F6F6C735C2A5D5BC0.png title=EIA_[9{GK$DS4O$GI6Z7_DX.png alt=EIA_[9{GK$DS4O$GI6Z7_DX.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/EDB1A986EDC27D697E3E276497E18A47.png title=_(1BU{MMSXW8OD]_4266EEF.png alt=_(1BU{MMSXW8OD]_4266EEF.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/4C0475AA717A933B9B096B2987458EA5.png title=4SDI_6CMZWYPXL4YJA5GOHR.png alt=4SDI_6CMZWYPXL4YJA5GOHR.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/2A3F08823DAF12FB1986B79240744221.png title=JJWY3%{27(_AR3JP)1QL{{P.png alt=JJWY3%{27(_AR3JP)1QL{{P.png/>

参考答案：

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① <img src=https://huaweicloudobs.ahjxjy.cn/07CDBA02B64FBC5BC81FC14AE89DF625.png title=3-1.png alt=3-1.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/FA2CB3F6F27E3C1674C8E3340B64F40E.png title=9.png alt=9.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/3C163F23E6E3DC11FAC034B2F089CB52.png title=9-1.png alt=9-1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/01CE4E3BEDAD6838C3C16C7193C72178.png title=9-2.png alt=9-2.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/B3F81E02A1E4FBDDFEE238B40CB3D8E5.png title=1.png alt=1.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/F6E3C2E4CB84849368F804C33DDE02B6.png title=1-1.png alt=1-1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/381D356C264547244A4F56B1D367A4AD.png title=1-2.png alt=1-2.png/>

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【多选题】 <img src=https://huaweicloudobs.ahjxjy.cn/6ED6D2FB01B4ECC5D6DDF9F850E0AE42.png title=7.png alt=7.png/><img src=https://huaweicloudobs.ahjxjy.cn/20F9D6170587EDA4C64F36BAFE91C289.png title=8.png alt=8.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/FC072071BE30D785E1E9D3C0C6DC23FA.png title=12.png alt=12.png/>

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③ <img src=https://huaweicloudobs.ahjxjy.cn/07624451B02C04C93B32CAD0810A4A60.png title=14.png alt=14.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/425E82C9FBB555C71DF8A9E386DB1674.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/F189577D1DB0CB47D0B222D7E3E081CC.png title=10.png alt=10.png/><img src=https://huaweicloudobs.ahjxjy.cn/9125E5FCA2C763BFC81669EBF5E2CAD1.png title=11.png alt=11.png/>

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【多选题】 <img src=https://huaweicloudobs.ahjxjy.cn/16C7003AF9EB1735F75173AF3F994BD1.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/997C861BE25A9EB1CA0BE4E4AA1F6921.png title=2.png alt=2.png/><img src=https://huaweicloudobs.ahjxjy.cn/24E0907ED0230C3FE1B001D96DCA0640.png title=3.png alt=3.png/>

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② <img src=https://huaweicloudobs.ahjxjy.cn/69624F08569759B278A275D6A58759F1.png title=5.png alt=5.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/EBEE189275F1591DF76F689BF95BD90B.png title=7.png alt=7.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/7659ADB5D6852930BC5FBFD88C956B69.png title=6.png alt=6.png/>

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【多选题】 <img src=https://huaweicloudobs.ahjxjy.cn/DF8F69F655E78E4135AC3021CDC7271E.png title=1.png alt=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/F7917C42483D4B4EB3AFA503705443DE.png title=7.png alt=7.png/><img src=https://huaweicloudobs.ahjxjy.cn/77F20DCCE4501B2AF8CE94213944843F.png title=9.png alt=9.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/031AF786D9AAFDC6194CB49BCD33E128.png title=3.png alt=3.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/FBC5ADDF51D26212F24F96E31FA8311B.png title=4.png alt=4.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/3483CF233B84B6DAFCB8829133112C52.png title=5.png alt=5.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/311A417933B9B3EBA7EC103876394643.png title=6.png alt=6.png/>

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随机题目

【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/7BBDFC6401E8C30E1B45A41B079EE0AA.png title=Unnamed QQ Screenshot20170106093156.png alt=Unnamed QQ Screenshot20170106093156.png/>

① 8

② 2

③ 0

④ 6

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【判断题】设X~二项分布B(10,0.2)，则X的数学期望EX=2.

① 正确

② 错误

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【单选题】设X~N(0,1),则X平方的数学期望为

① 0

② 1

③ -1

④ 2

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/E8A49C321411FF54CB54EDE7F0D4589B.png title=QQ截图20170105215056.png alt=QQ截图20170105215056.png/>

① 充分不必要条件

② 必要不充分条件

③ 充分必要条件

④ 既不充分又不必要条件

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/B8E519D255F410DEC0CBB04218E47B10.png title=QQ截图20170105215205.png alt=QQ截图20170105215205.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/34818CD139B9C2A89F700C4CB4ED8444.png title=QQ截图20170105215213.png alt=QQ截图20170105215213.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/CA00968537D2720B487C7DA5112B6CE6.png title=QQ截图20170105215221.png alt=QQ截图20170105215221.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/E5EDFF71C1A83E73D1ECFC332B560AC3.png title=QQ截图20170105215228.png alt=QQ截图20170105215228.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/C4AD6AA9862BB41C2128B5C65D32DA70.png title=QQ截图20170105215235.png alt=QQ截图20170105215235.png/>

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【判断题】若二维随机变量(X,Y)的分布函数F(x,y)和边缘分布函数FX(x),FY(y)，对任意的x,y有F(x,y)=FX(x)Fy(y)，则随机变量是相互独立的。

① 正确

② 错误

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/894A1E70C9CB257ED86E85DE6B4A73C3.png title=QQ截图20170105211247.png alt=QQ截图20170105211247.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/00709C2726C7B242A2722D0C74B938E7.png title=QQ截图20170105211255.png alt=QQ截图20170105211255.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/07A1CC2B4A8BEDC547ADF219C642A305.png title=QQ截图20170105211303.png alt=QQ截图20170105211303.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/B56F99CEE1E3C3E5FFBC7EE1037D4758.png title=QQ截图20170105211311.png alt=QQ截图20170105211311.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/AB6B07A528B54E83DDEE98D0B1B3FF7B.png title=QQ截图20170105211319.png alt=QQ截图20170105211319.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/FC8B73C79F6EEDB836DF13999924638F.png title=QQ截图20170105211554.png alt=QQ截图20170105211554.png/>

① 1/3

② 1/2

③ 2

④ 3

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/0FDBAE0BF64385130F1B9F25F9506F60.png title=QQ截图20170105212445.png alt=QQ截图20170105212445.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/41817FF339015A409172DAAB0A9128E8.png title=QQ截图20170105212454.png alt=QQ截图20170105212454.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/1DB0D02372ABB2BFA9D9424EEC3B7D0C.png title=QQ截图20170105212501.png alt=QQ截图20170105212501.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/678930E430843301050DBED4C00E8C38.png title=QQ截图20170105212509.png alt=QQ截图20170105212509.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/8860A577BE8D2ED7E295DD4D1156E5D1.png title=QQ截图20170105212518.png alt=QQ截图20170105212518.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/A5BE767EC6F11D56CE6D3856F6AB5DE4.png title=QQ截图20170105211445.png alt=QQ截图20170105211445.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/C89A36D20078F37CC7392FFB8186EC9A.png title=QQ截图20170105211459.png alt=QQ截图20170105211459.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/311204225F69F0713FCF6695E23964AC.png title=QQ截图20170105211510.png alt=QQ截图20170105211510.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/DC6F7ADF6AC1FB838BB86A2152F4F2C7.png title=QQ截图20170105211517.png alt=QQ截图20170105211517.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/46F16E202ABC8F14695BF04BC8C1610D.png title=QQ截图20170105211524.png alt=QQ截图20170105211524.png/>

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