成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">2、<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"><span style="position:relative; top:5.0pt;mso-text-raise:-5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1032" type="#_x0000_t75" style='width:67.8pt;height:18.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image015.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="90" height="25" v:shapes="_x0000_i1032" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image016.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1032" DrawAspect="Content" ObjectID="_1604818987"> </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 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_i1033" type="#_x0000_t75" style='width:65.4pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb08.files/image017.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="87" height="21" v:shapes="_x0000_i1033" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image018.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1033" DrawAspect="Content" ObjectID="_1604818988"> </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%">38、<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">若</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_i1178" type="#_x0000_t75" style='width:10.8pt;height:12pt' o:ole=""> <v:imagedata src="xxds05.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="16" v:shapes="_x0000_i1178" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image188.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1178" DrawAspect="Content" ObjectID="_1604818988"> </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"">阶可逆矩阵</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_i1179" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds05.files/image030.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1179" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image189.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1179" DrawAspect="Content" ObjectID="_1604818989"> </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"">与</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_i1180" type="#_x0000_t75" style='width:13.2pt;height:13.8pt' o:ole=""> <v:imagedata src="xxds05.files/image031.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="18" height="18" v:shapes="_x0000_i1180" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image190.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1180" DrawAspect="Content" ObjectID="_1604818990"> </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"">相似,且</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_i1181" type="#_x0000_t75" style='width:42pt;height:16.8pt' o:ole=""> <v:imagedata src="xxds05.files/image191.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="56" height="22" v:shapes="_x0000_i1181" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image192.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1181" DrawAspect="Content" ObjectID="_1604818991"> </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:2.0pt;mso-text-raise: -2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1182" type="#_x0000_t75" style='width:30pt;height:16.8pt' o:ole=""> <v:imagedata src="xxds05.files/image193.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="40" height="22" v:shapes="_x0000_i1182" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image194.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1182" DrawAspect="Content" ObjectID="_1604818992"> </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" style="line-height:150%">18、<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_i1294" type="#_x0000_t75" style='width:292.2pt;height:21pt' o:ole=""> <v:imagedata src="xxds05.files/image334.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="390" height="28" v:shapes="_x0000_i1294" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image335.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1294" DrawAspect="Content" ObjectID="_1604819105"> </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"">的标准型为(</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"">)</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">21、<span lang="EN-US"> <!--[if gte vml 1]><v:shape id="图片_x0020_184" o:spid="_x0000_i1208" type="#_x0000_t75" style='width:435pt;height:24.6pt; mso-position-horizontal-relative:page;mso-position-vertical-relative:page'> <v:imagedata src="xxds02.files/image190.png" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="580" height="33" v:shapes="图片_x0020_184" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image190.png"> <!--[endif]--></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-left:30.0pt;text-indent:-30.0pt;mso-char-indent-count: -2.5;line-height:150%">1、<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"">称</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%;position:relative;top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1305" type="#_x0000_t75" style='width:64.8pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image437.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="86" height="22" v:shapes="_x0000_i1305" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image377.png"> <!--[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"">是来自总体</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;position:relative; top:2.0pt;mso-text-raise:-2.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1306" type="#_x0000_t75" style='width:10.8pt;height:9pt'> <v:imagedata src="xxdsb10.files/image455.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="14" height="12" v:shapes="_x0000_i1306" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image341.png"> <!--[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"">的一个简单随机样本(简称样本),即</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"> <o:p></o:p></span></p> <p class="MsoNormal" style="margin-left:18.0pt;text-indent:12.0pt;line-height: 150%"><span lang="EN-US" style="font-size:12.0pt;line-height:150%;position: relative;top:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1307" type="#_x0000_t75" style='width:64.8pt;height:16.8pt'> <v:imagedata src="xxdsb10.files/image437.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="86" height="22" v:shapes="_x0000_i1307" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image377.png"> <!--[endif]--></span><span lang="EN-US" style="font-size:12.0pt;line-height:150%"><span style="mso-spacerun:yes"> </span></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"">满足(</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%"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">24、<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">14、<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"">服从参数</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_i1173" type="#_x0000_t75" style='width:29.4pt;height:14.4pt' o:ole=""> <v:imagedata src="xxdsb07.files/image245.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="39" height="19" v:shapes="_x0000_i1173" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image246.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1173" DrawAspect="Content" ObjectID="_1604819088"> </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"">的泊松分布,</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_i1174" type="#_x0000_t75" style='width:27pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb07.files/image247.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="36" height="21" v:shapes="_x0000_i1174" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image248.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1174" DrawAspect="Content" ObjectID="_1604819089"> </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"">为</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"">的分布函数,则下列正确的是(</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">23、<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_i1174" type="#_x0000_t75" style='width:9.6pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image253.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="13" height="21" v:shapes="_x0000_i1174" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image254.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1174" DrawAspect="Content" ObjectID="_1604819248"> </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"">与</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_i1175" type="#_x0000_t75" style='width:9.6pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image255.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="13" height="17" v:shapes="_x0000_i1175" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image256.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1175" DrawAspect="Content" ObjectID="_1604819249"> </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"">的相关系数</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_i1176" type="#_x0000_t75" style='width:37.8pt;height:19.2pt' o:ole=""> <v:imagedata src="xxdsb09.files/image257.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="50" height="26" v:shapes="_x0000_i1176" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image258.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1176" DrawAspect="Content" ObjectID="_1604819250"> </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"">,表示</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_i1177" type="#_x0000_t75" style='width:9.6pt;height:15.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image253.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="13" height="21" v:shapes="_x0000_i1177" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image254.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1177" DrawAspect="Content" ObjectID="_1604819251"> </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"">与</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_i1178" type="#_x0000_t75" style='width:9.6pt;height:12.6pt' o:ole=""> <v:imagedata src="xxdsb09.files/image255.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="13" height="17" v:shapes="_x0000_i1178" src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image256.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1178" DrawAspect="Content" ObjectID="_1604819252"> </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">28、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">将两封信随机地投入</span><span lang="EN-US" style="font-size:12.0pt">4</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"">个邮筒中,则未向前两个邮筒中投信的概率为(</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"><span style="color:white"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">33、<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:6.0pt;mso-text-raise:-6.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1189" type="#_x0000_t75" style='width:36pt;height:19.2pt' o:ole=""> <v:imagedata src="xxds04.files/image225.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="48" height="26" v:shapes="_x0000_i1189" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image226.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1189" DrawAspect="Content" ObjectID="_1604818968"> </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 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_i1190" type="#_x0000_t75" style='width:12pt;height:13.2pt' o:ole=""> <v:imagedata src="xxds04.files/image219.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="16" height="18" v:shapes="_x0000_i1190" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image220.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1190" DrawAspect="Content" ObjectID="_1604818969"> </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"">的特征值且</span><span lang="EN-US" style="font-size:12.0pt; line-height:150%"><span style="position:relative;top:5.0pt;mso-text-raise: -5.0pt"> <!--[if gte vml 1]><v:shape id="_x0000_i1191" type="#_x0000_t75" style='width:40.2pt;height:16.8pt' o:ole=""> <v:imagedata src="xxds04.files/image227.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="54" height="22" v:shapes="_x0000_i1191" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image228.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1191" DrawAspect="Content" ObjectID="_1604818970"> </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_i1192" type="#_x0000_t75" style='width:19.8pt;height:21pt' o:ole=""> <v:imagedata src="xxds04.files/image229.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="26" height="28" v:shapes="_x0000_i1192" src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image230.png"> <!--[endif]--></span> <!--[if gte mso 9]><xml _tmplitem="2" > <o:OLEObject Type="Embed" ProgID="Equation.DSMT4" ShapeID="_x0000_i1192" DrawAspect="Content" ObjectID="_1604818971"> </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"">)特征值</span><span lang="EN-US" style="font-size:12.0pt;line-height:150%;mso-font-kerning:0pt"> <o:p></o:p></span></p>