成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">6、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">二次型</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position: relative;top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1248" type="#_x0000_t75" style='width:172.2pt;height:21pt' o:ole=""> <v:imagedata src="xxds05.files/image250.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="230" height="28" v:shapes="_x0000_i1248" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image251.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1248" DrawAspect="Content" ObjectID="_1604819058"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的秩为（</span><span style="font-size:12.0pt;line-height:150%"> </span><span style="font-size:12.0pt;line-height:150%;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">28、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_162" o:spid="_x0000_i1186" type="#_x0000_t75" style='width:365.4pt;height:27.6pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image168.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="487" height="37" v:shapes="图片_x0020_162" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image168.png"> <!--[endif]--></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">9、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">设表达式</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:12.0pt;mso-text-raise:-12.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1038" type="#_x0000_t75" style='width:155.4pt;height:30.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image027.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="207" height="41" v:shapes="_x0000_i1038" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image028.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1038" DrawAspect="Content" ObjectID="_1604818993"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">是随机变量的分布，则常数</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1039" type="#_x0000_t75" style='width:19.2pt;height:11.4pt' o:ole=""> <v:imagedata src="xxdsb08.files/image029.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="26" height="15" v:shapes="_x0000_i1039" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image030.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1039" DrawAspect="Content" ObjectID="_1604818994"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">34、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">设</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position: relative;top:28.0pt;mso-text-raise:-28.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1250" type="#_x0000_t75" style='width:121.8pt;height:63pt' o:ole=""> <v:imagedata src="xxds03.files/image306.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="162" height="84" v:shapes="_x0000_i1250" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image307.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1250" DrawAspect="Content" ObjectID="_1604818976"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，则</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:3.0pt;mso-text-raise: -3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1251" type="#_x0000_t75" style='width:40.2pt;height:15pt' o:ole=""> <v:imagedata src="xxds03.files/image308.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="54" height="20" v:shapes="_x0000_i1251" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image297.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1251" DrawAspect="Content" ObjectID="_1604818977"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的基础解系含有（</span><span style="font-size:12.0pt;line-height: 150%"> </span><span style="font-size:12.0pt;line-height:150%;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）个解向量</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%">.</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">31、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">设</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1100" type="#_x0000_t75" style='width:56.4pt;height:19.8pt'> <v:imagedata src="xxdsb11.files/image094.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="75" height="26" v:shapes="_x0000_i1100" src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image131.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">是来自总体</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1101" type="#_x0000_t75" style='width:10.8pt;height:9pt'> <v:imagedata src="xxdsb11.files/image132.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="12" v:shapes="_x0000_i1101" src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image133.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">的样本，</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1102" type="#_x0000_t75" style='width:56.4pt;height:15pt'> <v:imagedata src="xxdsb11.files/image134.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="75" height="20" v:shapes="_x0000_i1102" src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image135.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">，则</span><span lang="EN-US" style="font-size:12.0pt;position:relative;top:14.0pt;mso-text-raise:-14.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1103" type="#_x0000_t75" style='width:26.4pt;height:30pt'> <v:imagedata src="xxdsb11.files/image136.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="35" height="40" v:shapes="_x0000_i1103" src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image137.png"> <!--[endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">服从（</span><span style="font-size: 12.0pt"> </span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">11、<span style="font-size:12.0pt; line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">设</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt">4</span><span style="font-size:12.0pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-font-kerning: 0pt">个</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%; mso-font-kerning:0pt">3</span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-font-kerning:0pt">维列向量</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position:relative; top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1127" type="#_x0000_t75" style='width:70.8pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image145.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="94" height="26" v:shapes="_x0000_i1127" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image146.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1127" DrawAspect="Content" ObjectID="_1604818852"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">组成的矩阵经初等行变换后变为</span><span lang="EN-US" style="font-size: 12.0pt;line-height:150%"><span style="position:relative;top:28.0pt; mso-text-raise:-28.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1128" type="#_x0000_t75" style='width:199.2pt;height:63pt' o:ole=""> <v:imagedata src="xxds03.files/image147.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="266" height="84" v:shapes="_x0000_i1128" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image148.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1128" DrawAspect="Content" ObjectID="_1604818853"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">，则</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1129" type="#_x0000_t75" style='width:16.8pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image149.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="22" height="26" v:shapes="_x0000_i1129" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image150.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1129" DrawAspect="Content" ObjectID="_1604818854"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">可表示为</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:6.0pt;mso-text-raise: -6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1130" type="#_x0000_t75" style='width:28.2pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds03.files/image151.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="38" height="26" v:shapes="_x0000_i1130" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image152.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1130" DrawAspect="Content" ObjectID="_1604818855"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">（</span><span style="font-size:12.0pt;line-height:150%"> </span><span style="font-size:12.0pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">8、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-font-kerning: 0pt">已知</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative;top:39.0pt;mso-text-raise:-39.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1319" type="#_x0000_t75" style='width:96pt;height:85.2pt' o:ole=""> <v:imagedata src="xxds04.files/image409.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="128" height="114" v:shapes="_x0000_i1319" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image410.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1319" DrawAspect="Content" ObjectID="_1604819100"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">，则（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">8、<span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="position:relative; top:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1251" type="#_x0000_t75" style='width:10.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds04.files/image326.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="16" v:shapes="_x0000_i1251" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image293.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1251" DrawAspect="Content" ObjectID="_1604819031"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">阶实对称矩阵</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1252" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image327.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1252" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image285.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1252" DrawAspect="Content" ObjectID="_1604819032"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:3.0pt;mso-text-raise: -3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1253" type="#_x0000_t75" style='width:10.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds04.files/image326.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="16" v:shapes="_x0000_i1253" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image293.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1253" DrawAspect="Content" ObjectID="_1604819033"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">个行向量是一组正交单位向量组，则</span><span lang="EN-US" style="font-size: 12.0pt;line-height:150%"><span style="position:relative;top:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1254" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds04.files/image327.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1254" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image285.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1254" DrawAspect="Content" ObjectID="_1604819034"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;line-height:150%; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">是（</span><span style="font-size:12.0pt;line-height:150%"> </span><span style="font-size:12.0pt;line-height:150%;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">25、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">若</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1198" type="#_x0000_t75" style='width:60pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image287.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="80" height="21" v:shapes="_x0000_i1198" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image288.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1198" DrawAspect="Content" ObjectID="_1604819272"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">都存在，则下面命题中错误的是（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">23、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">随机变量</span><span lang="EN-US" style="font-size:12.0pt">X</span><span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">服从正态分布</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative;top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1160" type="#_x0000_t75" style='width:48pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb07.files/image220.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="64" height="25" v:shapes="_x0000_i1160" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image113.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1160" DrawAspect="Content" ObjectID="_1604819076"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">，则随着</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:3.0pt;mso-text-raise:-3.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1161" type="#_x0000_t75" style='width:12pt;height:11.4pt' o:ole=""> <v:imagedata src="xxdsb07.files/image221.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="16" height="15" v:shapes="_x0000_i1161" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image222.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1161" DrawAspect="Content" ObjectID="_1604819077"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">的增大，概率</span><span lang="EN-US" style="font-size:12.0pt"><span style="position:relative; top:7.0pt;mso-text-raise:-7.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1162" type="#_x0000_t75" style='width:77.4pt;height:20.4pt' o:ole=""> <v:imagedata src="xxdsb07.files/image223.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="103" height="27" v:shapes="_x0000_i1162" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image224.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1162" DrawAspect="Content" ObjectID="_1604819078"> </o:OLEObject> </xml><![endif]--></span><span style="font-size:12.0pt;font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">（</span><span style="font-size:12.0pt"> </span><span style="font-size:12.0pt;font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>