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uarantee for the great struggle. This aspects XI General Secretary of speech main including exercise thrift, against extravagance mass line is party of lifeline and fundamental work route accurate grasp party of mass line education practice activities of guideline and target requirements set and develop \ct three real\put power shut into system of cage in using history wisdom advance anti-corruption construction in-depth advance style clean government and anti-corruption struggle develop nail nail of spirit, a Zhang good of blueprint worked to... 9. other aspects. 18 big yilai, XI General Secretary also respectively on diplomatic, and military, and ecological construction, aspects published has important speech, covers has construction ecological civilization, and advance defense and army modern, and rich \o systems\ce and advance country unified, and go peace development road, and promoted building new powers relationship, and go good around diplomatic work, and strengthening and developing countries solidarity cooperation, and active participation multilateral affairs, and science of thinking and work method, many aspects. XI Jinping, Secretary of a series of important speeches, and further enrich and develop the party's theory, line, principles and policies, the party puts forward new requirements for more contemporary features, the latest achievement of Marxism in China, is a guide to persisting and developing socialism with Chinese characteristics. Four methods. To address the relationship between comprehensive and focused on science. In the process of learning, we should follow as a good study and carry out the \n\comprehensive collaborative learning; and with their own jobs, focus research and understanding spirit, grasp the potential requirements. For example, every party member should be according to the various branches of learning program, an article does not go into a link, no leakage of conducting a comprehensive study, and combined with their own duties and responsibilities, be focused and targeted Geoscience. Like, leaders to highlight learning XI on ruling acting political know of deep love of cut dry in practice go in forefront of river new language out poverty XI on coordination advance \scusses excerpts XI on full deepening reform discusses excerpts XI on full law ruling discusses excerpts 18 big yilai XI on major economic problem discusses excerpts, discipline to highlight learning XI on strict party of discipline and rules discusses excerpts XI Jinping, on the construction of clean and honest Government and fight against corruption discussed excerpts, technology to highlight the learning of the XI Jinping on technological innovation and discusses excerpts, XI Jinping, education should highlight the important excerpts of work on education and so on. To address the relation between stage and often science. Phase has the advantage of time to focus on fast, to highlight the theme, focused, result; often learn the advantages of flexible fit, form, subtle, continues to 课堂号：________ 中南财经政法大学2012–2013学年第二学期 -------------------------------- 期末考试试卷 课程名称：《概率论与数理统计》（B）卷 课程代号： B 考试形式：闭卷、笔试 使用对象：金融、会计等专业 -- --- --： -- ------ 学号--- -- -- --- 线 --- -- -- --- ------ ---- 姓名：------ 学生--- 封 - --- -- -- ： ------- 年级--- --- --- -- -- --- --- 密 -- 业： ----- 专--- --- -- -- --- --- --- -- -- ： --- 系）------ --院（-- ------

eepen. In General, periodic high priority on learning, easy to grasp and practice: recurrent learning factors, long time, prone to \sh\arning programmes are expliis poor is worse and the weak weaker. United States politics home zhamusi, and Wilson and prevention crime learn experts qiaozhikailin proposed has a famous ofdeficiency, while sweating, wind and water, \ng white\nd not the mules\arning party rules did not comply with the party Constitution, address t________________________________________________________________________________________________________________ 题号 一 二 三 四 五 总分 总分人 分值 16 10 20 48 6 100 得分 ________________________________________________________________________________________________________________ 得分 评阅人 一、填空题：（共8题，每题2分，总分16分） 1. 在房间里有10人，分别佩代着从1号到10号的纪念章，任意选3人记录其纪念章的号码。则最小的号码为5的概率是 。 2. 在（0, 1）内随机取两个数，则两数之积小于13的概率为 。 3. 已知A?B,P(A)?0.2,P(B)?0.3，则P(AB) = 。 4. 设X～B（10，p），E(X)=5，则p = 5. 已知E(X)=3，D(X) =5，则E(X?2)2= 。 6. 设随机变量X～P(2), 则根据切比雪夫不等式，有P(X?2?1)? 。 7. 设离散型随机变量X的分布函数为 ??0,x??1F(x)???0.4,?1?x?10.8,1?x?3 ， 则P(X?2|X?1)? 。 ???1,x?38. 设总体X ～N(?,?2), X,X来自总体X，统计量T?1n1,X2,n?X2nk，则k?1E(T)= 。 arn education is not an event, but to highlight the normal education, differentiated levels, heart, catch a fine practice, the real party's ideological and political construction in the everyday, often. This requires that we do a good job phase focused learning based on knowledge contests, comments on rewards in the form, pay special attention to recurring studies. To handle the relationship between solid strong to learn and a lot to learn. For any unit or individual, objectively speaking, in the process of carrying out the party Constitution Party rules and spirit, there is a problem with strong and weak, which we need to pay attention to the actual learning content, and handle the relationship between solid strong to learn and a lot to learn. On one hand, we must always keep a humble attitude, good deal, Continue the hardening. The other hand, always keep the spirit of energetic, pegged to the weak link to find gaps, fill the short Board. Short Board issues should not be underestimated, the saying goes, have short Board, add a short. This tells us, there are weaknesses shortcomings and do not be afraid, fear is a blind eye and not to repair, the result ding House has a fan window of glass broken has, and this fan Windows no get timely repair, others on May to broke more of window glass, time a long, these damaged of window on to people caused a disorder, and matter of feel, results in this mass errors think no attention, and no management of atmosphere Xia, some bad culture, and violations behavior on will breeding and spread. Reality life in the is such, clean of wall Shang, suddenly was posted has a Zhang ad, if didn't people management, not out days this wall Shang on will appeared greatly small many of advertising; private take mess built phenomenon is so, began circle a small block to built a small shed put things, if didn't people timely stop, he on dare built a hut live people, time long has didn't people tube, wants to tube Shi on difficult has. Therefore, the solid strong is important, a lot to learn is also important. Third, key, grasp the learning objective of education is to train a qualified party member \two\nd education to its core essence is learning and doing. Learning and doing are mutually reinforcing, if optical can't do, study leave, real learningning series is not used, instead, learn and do, imagine this \ng\do you meet the eligibility requirements of party members. Therefore, the \c learning, the key is in use, do, line. In particular, is a qualified party members to grasp the following three points. To strengthen \citly required to le broken window theory, that, if a builhe learuarantee for the great struggle. This aspects XI General Secretary of speech main including exercise thrift, against extravagance mass line is party of lifeline and fundamental work route accurate grasp party of mass line education practice activities of guideline and target requirements set and develop \ct three real\put power shut into system of cage in using history wisdom advance anti-corruption construction in-depth advance style clean government and anti-corruption struggle develop nail nail of spirit, a Zhang good of blueprint worked to... 9. other aspects. 18 big yilai, XI General Secretary also respectively on diplomatic, and military, and ecological construction, aspects published has important speech, covers has construction ecological civilization, and advance defense and army modern, and rich \o systems\ce and advance country unified, and go peace development road, and promoted building new powers relationship, and go good around diplomatic work, and strengthening and developing countries solidarity cooperation, and active participation multilateral affairs, and science of thinking and work method, many aspects. XI Jinping, Secretary of a series of important speeches, and further enrich and develop the party's theory, line, principles and policies, the party puts forward new requirements for more contemporary features, the latest achievement of Marxism in China, is a guide to persisting and developing socialism with Chinese characteristics. Four methods. To address the relationship between comprehensive and focused on science. In the process of learning, we should follow as a good study and carry out the \wise men\comprehensive collaborative learning; and with their own jobs, focus research and understanding spirit, grasp the potential requirements. For example, every party member should be according to the various branches of learning program, an article does not go into a link, no leakage of conducting a comprehensive study, and combined with their own duties and responsibilities, be focused and targeted Geoscience. Like, leaders to highlight learning XI on ruling acting political know of deep love of cut dry in practice go in forefront of river new language out poverty XI on coordination advance \scusses excerpts XI on full deepening reform discusses excerpts XI on full law ruling discusses excerpts 18 big yilai XI on major economic problem discusses excerpts, discipline to highlight learning XI on strict party of discipline and rules discusses excerpts XI Jinping, on the construction of clean and honest Government and fight against corruption discussed excerpts, technology to highlight the learning of the XI Jinping on technological innovation and discusses excerpts, XI Jinping, education should highlight the important excerpts of work on education and so on. To address the relation between stage and often science. Phase has the advantage of time to focus on fast, to highlight the theme, focused, result; often learn the advantages of flexible fit, form, subtle, continues to

eepen. In General, periodic high priority on learning, easy to grasp and practice: recurrent learning factors, long time, prone to %uggish\ning programmes are expliis poor is worse and the weak weaker. United States politics home zhamusi, and Wilson and prevention crime learn experts qiaozhikailin proposed has a famous of brdeficiency, while sweating, wind and water, \ng white\nd not the mules\arning party rules did not comply with the party Constitution, address t得分 评阅人 二、选择题：（共5题，每题2分，总10分） 1．设事件A，B为对立事件，0?P(A)?1，则下列结论中一定成立的有( )。 (A) 0?P(A?B)?1 (B) 0?P(B)?1 (C) 0?P(AB)?1 (D) 0?P(AB)?1 2．设连续型随即变量X的密度函数和分布函数分别为f(x),F(x)，则下列选项中正确的有( ) (A) 0?f(x)?1 (B) P{X?x}?F(x) (C) P{X?x}?F(x) (D) P{X?x}?f(x) 3．对任意两个随机变量X和Y，如果E(XY)?E(X)E(Y)，则有 ( ). (A) X和Y独立 (B) cov(X,Y)?0 (C) D(XY)?D(X)D(Y) (D) D(X?Y)?D(X)?D(Y) 4．设 X1,X2,,Xn独立同分布,EXi??,DXi??2?0,i?1,2,,n,当n?50时,下列结 论中错误的是( ). nni?n? (A) ?Xi近似服从N(n?,n?2)分布 (B) ?Xi?1i?1n?近似服从N(0,1)分布 n (C) XX21?2服从N(2?,2?)分布 (D) ?Xi不近似服从N(0,1)分布 i?1 5．设总体X的分布中未知参数? 的置信水平为1—? 的置信区间是[T1，T2]，即P{T1???T2}?1??，则下面说法正确的是（ ）。 （A）对T1，T2的观测值t1，t2，?∈[t1，t2] （B）? 以1—?的概率落入区间[T1，T2] （C）区间[T1，T2]以1—?的概率包含? （D）? 的数学期望E(?)必属于区间[T1，T2] 第 1 页(共 3 页)

d to learn education is not an event, but to highlight the normal education, differentiated levels, heart, catch a fine practice, the real party's ideological and political construction in the everyday, often. This requires that we do a good job phase focused learning based on knowledge contests, comments on rewards in the form, pay special attention to recurring studies. To handle the relationship between solid strong to learn and a lot to learn. For any unit or individual, objectively speaking, in the process of carrying out the party Constitution Party rules and spirit, there is a problem with strong and weak, which we need to pay attention to the actual learning content, and handle the relationship between solid strong to learn and a lot to learn. On one hand, we must always keep a humble attitude, good deal, Continue the hardening. The other hand, always keep the spirit of energetic, pegged to the weak link to find gaps, fill the short Board. Short Board issues should not be underestimated, the saying goes, have short Board, add a short. This tells us, there are weaknesses shortcomings and do not be afraid, fear is a blind eye and not to repair, the resultndow theory, that, if a building House has a fan window of glass broken has, and this fan Windows no get timely repair, others on May to broke more of window glass, time a long, these damaged of window on to people caused a disorder, and matter of feel, results in this mass errors think no attention, and no management of atmosphere Xia, some bad culture, and violations behavior on will breeding and spread. Reality life in the is such, clean of wall Shang, suddenly was posted has a Zhang ad, if didn't people management, not out days this wall Shang on will appeared greatly small many of advertising; private take mess built phenomenon is so, began circle a small block to built a small shed put things, if didn't people timely stop, he on dare built a hut live people, time long has didn't people tube, wants to tube Shi on difficult has. Therefore, the solid strong is important, a lot to learn is also important. Third, key, grasp the learning objective of education is to train a qualified party member \two\nd education to its core essence is learning and doing. Learning and doing are mutually reinforcing, if optical can't do, study leave, real learninghe learning series is not used, instead, learn and do, imagine this \ng\do you meet the eligibility requirements of party members. Therefore, the \c learning, the key is in use, do, line. In particular, is a qualified party members to grasp the following three points. To strengthen \ citly requireoken wiuarantee for the great struggle. This aspects XI General Secretary of speech main including exercise thrift, against extravagance mass line is party of lifeline and fundamental work route accurate grasp party of mass line education practice activities of guideline and target requirements set and develop \ct three real\put power shut into system of cage in using history wisdom advance anti-corruption construction in-depth advance style clean government and anti-corruption struggle develop nail nail of spirit, a Zhang good of blueprint worked to... 9. other aspects. 18 big yilai, XI General Secretary also respectively on diplomatic, and military, and ecological construction, aspects published has important speech, covers has construction ecological civilization, and advance defense and army modern, and rich \o systems\ce and advance country unified, and go peace development road, and promoted building new powers relationship, and go good around diplomatic work, and strengthening and developing countries solidarity cooperation, and active participation multilateral affairs, and science of thinking and work method, many aspects. XI Jinping, Secretary of a series of important speeches, and further enrich and develop the party's theory, line, principles and policies, the party puts forward new requirements for more contemporary features, the latest achievement of Marxism in China, is a guide to persisting and developing socialism with Chinese characteristics. Four methods. To address the relationship between comprehensive and focused on science. In the process of learning, we should follow as a good study and carry out the \n\comprehensive collaborative learning; and with their own jobs, focus research and understanding spirit, grasp the potential requirements. For example, every party member should be according to the various branches of learning program, an article does not go into a link, no leakage of conducting a comprehensive study, and combined with their own duties and responsibilies, be focused and targeted Geoscience. Like, leaders to highlight learning XI on ruling acting political know of deep love of cut dry in practice go in forefront of river new language out poverty XI on coordination advance \scusses excerpts XI on full deepening reform discusses excerpts XI on full law ruling discusses excerpts 18 big yilai XI on major economic problem discusses excerpts, discipline to highlight learning XI on strict party of discipline and rules discusses excerpts XI Jinping, on the construction of clean and honest Government and fight against corruption discussed excerpts, technology to highlight the learning of the XI Jinping on technological innovation and discusses excerpts, XI Jinping, education should highlight the important excerpts of work on education and so on. To address the relation between stage and often science. Phase has the advantage of time to focus on fast, to highlight the theme, focused, result; often learn the advantages of flexible fit, form, subtle, continues to - ------ --- ------ --- ------ ------ ----- -- ------ ------ --- ---- 线 ----- --- ------ --- ------ ------ 封 --- --- ------ --- ------ --- ------ ---- 密 -- ------ ------ --- ------ --- ------ ------ --- --- --- --

eepen. In General, periodic high priority on learning, easy to grasp and practice: recurrent learning factors, long time, prone to \sh\arning programmes are explicitly required to leis poor is worse and the weak weaker. United States politics home zhamusi, and Wilson and prevention crime learn experts qiaozhikailin proposed has a famous of broken window thedeficiency, while sweating, wind and water, \ng white\nd not the mules\arning party rules did not comply with the party Constitution, address t得分 评阅人 三、判断说明题：（共4题，每题5分，总分20分） 1. 若事件A，B和C相互独立，则AB与C相互独立。 ( ) ?1x2. 设随机变量X的概率密度为f(x)??1??e??,x?0，其中??0，则D(X)?1?2。( )?0,x?0? 3. 若X~N(?(?21,?21),Y~N2,?2), 且X, Y相互独立, 则X?2Y~N(??2?2212,?1?4?2)。 ( ) n4. 设X1,X2,,Xn是来自总体N(1,1)的简单随机样本，则?(Xi?1)2服从自由度为n的i?1?2分布。（ ） on is not an event, but to highlight the normal education, differentiated levels, heart, catch a fine practice, the real party's ideological and political construction in the everyday, often. This requires that we do a good job phase focused learning based on knowledge contests, commenton rewards in the form, pay special attention to recurring studies. To handle the relationship between solid strong to learn and a lot to learn. For any unit or individual, objectively speaking, in the process of carrying out the party Constitution Party rules and spirit, there is a problem with strong and weak, which we need to pay attention to the actual learning content, and handle the relationship between solid strong to learn and a lot to learn. On one hand, we must always keep a humble attitude, good deal, Continue the hardening. The other hand, always keep the spirit of energetic, pegged to the weak link to find gaps, fill the short Board. Short Board issues should not be underestimated, the saying goes, have short Board, add a short. This tells us, there are weaknesses shortcomings and do not be afraid, fear is a blind eye and not to repair, the result ding House has a fan window of glass broken has, and this fan Windows no get timely repair, others on May to broke more of window glass, time a long, these damaged of window on to people caused a disorder, and matter of feel, results in this mass errors think no attention, and no management of atmosphere Xia, some bad culture, and violations behavior on will breeding and spread. Reality life in the is such, clean of wall Shang, suddenly was posted has a Zhang ad, if didn't people management, not out days this wall Shang on will appeared greatly small many of advertising; private take mess built phenomenon is so, began circle a small block to built a small shed put things, if didn't people timely stop, he on dare built a hut live people, time long has didn't people tube, wants to tube Shi on difficult has. Therefore, the solid strong is important, a lot to learn is also important. Third, key, grasp the learning objective of education is to train a qualified party member \two\nd education to its core essence is learning and doing. Learning and doing are mutually reinforcing, if optical can't do, study leave, real learningnstead, learn and do, imagine this \ng\do you meet the eligibility requirements of party members. Therefore, the \c learning, the key is in use, do, line. In particular, is a qualified party members to grasp the following three points. To strengthen \arn educatiory, that, if a builhe learning series is not used, i