【单选题】【消耗次数：1】
现代管理中，需要激发的冲突是（ ）。
①
建设性冲突
②
破坏性冲突
③
日常冲突
④
利益性冲突
参考答案：
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【单选题】
二次型矩阵<imgwidth="110"height="114"v:shapes="_x0000_i1347"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image430.png">的正惯性指数为（
①
<imgwidth="14"height="20"v:shapes="_x0000_i1348"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image428.png">
②
<imgwidth="10"height="18"v:shapes="_x0000_i1349"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image323.png">
③
<imgwidth="14"height="18"v:shapes="_x0000_i1350"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image426.png">
④
<imgwidth="14"height="18"v:shapes="_x0000_i1351"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image433.png">
【单选题】
<imgwidth="558"height="121"v:shapes="图片_x0020_19"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image019.png">
①
<imgwidth="88"height="91"v:shapes="图片_x0020_20"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image020.png">
②
<imgwidth="90"height="89"v:shapes="图片_x0020_21"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image021.png">
③
<imgwidth="85"height="86"v:shapes="图片_x0020_22"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image022.png">
④
<imgwidth="93"height="84"v:shapes="图片_x0020_23"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image023.png">
【单选题】
向量组<imgwidth="124"height="28"v:shapes="_x0000_i1096"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image122.png">和向量组<imgwidth="132"height="28"v:shapes="_x0000_i1097"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image124.png">等价的定义是向量组（）
①
<imgwidth="26"height="28"v:shapes="_x0000_i1098"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">和<imgwidth="34"height="28"v:shapes="_x0000_i1099"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image128.png">可互相线性表出
②
<imgwidth="26"height="28"v:shapes="_x0000_i1100"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">和<imgwidth="34"height="28"v:shapes="_x0000_i1101"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image128.png">中有一组可由另一组线性表出
③
<imgwidth="26"height="28"v:shapes="_x0000_i1102"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">和<imgwidth="34"height="28"v:shapes="_x0000_i1103"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image128.png">中所含向量的个数相等
④
<imgwidth="26"height="28"v:shapes="_x0000_i1104"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">和<imgwidth="34"height="28"v:shapes="_x0000_i1105"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image128.png">的秩相等
【单选题】
<imgwidth="574"height="32"v:shapes="图片_x0020_94"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image101.png">
①
<imgwidth="35"height="35"v:shapes="图片_x0020_95"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image102.png">
②
<imgwidth="35"height="48"v:shapes="图片_x0020_96"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image103.png">
③
<imgwidth="47"height="31"v:shapes="图片_x0020_97"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image104.png">
④
<imgwidth="49"height="34"v:shapes="图片_x0020_98"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image105.png">
【单选题】
设随机变量<imgwidth="19"height="17"v:shapes="_x0000_i1025"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image002.png">的期望和方差相等，则<imgwidth="19"height="17"v:shapes="_x0000_i1026"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb10.files/image002.png">不能服从（）
①
正态分布
②
指数分布
③
泊松分布
④
二项分布
【单选题】
已知<imgwidth="202"height="24"v:shapes="_x0000_i1076"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image084.png">,且有<imgwidth="134"height="24"v:shapes="_x0000_i1077"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image086.png">,则（）
①
<imgwidth="138"height="46"v:shapes="_x0000_i1078"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image088.png">
②
<imgwidth="128"height="46"v:shapes="_x0000_i1079"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image090.png">
③
<imgwidth="128"height="46"v:shapes="_x0000_i1080"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image092.png">
④
<imgwidth="150"height="46"v:shapes="_x0000_i1081"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image094.png">
【单选题】
若存在一可逆阵<imgwidth="18"height="18"v:shapes="_x0000_i1303"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image388.png">使得<imgwidth="54"height="22"v:shapes="_x0000_i1304"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image390.png">为对角阵，其中<imgwidth="134"height="84"v:shapes="_x0000_i1305"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image392.png">，则<imgwidth="18"height="18"v:shapes="_x0000_i1306"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image388.png">为（）
①
<imgwidth="84"height="84"v:shapes="_x0000_i1307"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image394.png">
②
<imgwidth="84"height="84"v:shapes="_x0000_i1308"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image394.png">
③
<imgwidth="84"height="84"v:shapes="_x0000_i1309"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image396.png">
④
<imgwidth="84"height="84"v:shapes="_x0000_i1310"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image398.png">
【单选题】
设<imgwidth="35"height="21"v:shapes="_x0000_i1104"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image133.png">是相互独立且均服从正态分布<imgwidth="54"height="41"v:shapes="_x0000_i1105"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image135.png">的随机变量，则<imgwidth="88"height="21"v:shapes="_x0000_i1106"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image137.png">（）
①
<imgwidth="29"height="44"v:shapes="_x0000_i1107"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image139.png">
②
<imgwidth="29"height="44"v:shapes="_x0000_i1108"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image139.png">
③
<imgwidth="28"height="46"v:shapes="_x0000_i1109"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image141.png">
④
<imgwidth="29"height="46"v:shapes="_x0000_i1110"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image143.png">
【单选题】
设<imgwidth="12"height="14"v:shapes="_x0000_i1185"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image253.png">个随机变量<imgwidth="86"height="22"v:shapes="_x0000_i1186"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image239.png">是独立同分布，<imgwidth="164"height="42"v:shapes="_x0000_i1187"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image255.png"><imgwidth="32"height="20"v:shapes="_x0000_i1188"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image257.png"><imgwidth="115"height="42"v:shapes="_x0000_i1189"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image259.png">，则下列结论中，正确的是（）
①
<imgwidth="12"height="14"v:shapes="_x0000_i1190"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image261.png">是<imgwidth="12"height="12"v:shapes="_x0000_i1191"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image263.png">的无偏估计量
②
<imgwidth="12"height="14"v:shapes="_x0000_i1192"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image261.png">是<imgwidth="12"height="12"v:shapes="_x0000_i1193"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image263.png">的极大似然估计量
③
<imgwidth="12"height="14"v:shapes="_x0000_i1194"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image261.png">是<imgwidth="12"height="12"v:shapes="_x0000_i1195"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image263.png">的极大似然估计量
④
<imgwidth="12"height="14"v:shapes="_x0000_i1196"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image261.png">是<imgwidth="12"height="12"v:shapes="_x0000_i1197"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image263.png">的极大似然估计量
【单选题】
若<imgwidth="80"height="21"v:shapes="_x0000_i1198"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image288.png">都存在，则下面命题中错误的是（）
①
<imgwidth="247"height="21"v:shapes="_x0000_i1199"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image290.png">
②
<imgwidth="215"height="21"v:shapes="_x0000_i1200"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image292.png">
③
<imgwidth="152"height="21"v:shapes="_x0000_i1201"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image294.png">
④
<imgwidth="163"height="21"v:shapes="_x0000_i1202"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image296.png">