概率论期末试卷A及答案.doc

1、leading cadres awareness of right in place, study the party Constitution and party rules, series of speeches can make proper effect. Party cadres to “two“ lead by example, to lead by example we must change our mind, recognizing that “two“ is important. First, learn the Communist Party Constitution P

2、arty rules, learning learning series important speech by General Secretary can enhance theory. With the “third revolution“ the rise of rapid changes in our life are feeling, the Communists should adhere to the theory of confidence will continue to learn from the voices of the times, the times, in tu

3、rn, will have new requirements for leading party cadres. “Two“ is the most basic meaning of members all mastering the core theory and the most advanced weapons theory, complement the spirit of calcium. Secondly, the Communist Party Constitution Party rules, learning learning series important speech

4、by General Secretary be able to firmly build the ideological foundation. Under the impact of multiple values, the “two“ is to help cultivate independent judgment in numerous miscellaneous multiple concepts, so that the majority consensus of party members, the important magic weapon of the party with

5、 the resonance frequency. Finally, the Constitution of the Communist Party, party rules, learning learning series important speech can stand crowds, General Secretary position. Now, some grass-roots work in the “the old way didnt work, hard way cannot, the new approach would not“ phenomenon, sometim

6、es due to a mass of party members and cadres not understanding, does not meet. In fact, the mass “convincing“ and “identity“Behind are likely to be party members and leading cadres themselves ignoring beliefs held, resulting in lack of persuasion and sense of identity. “Two“ is in fact guaranteed pa

7、rty cadres work, an important prerequisite for convincing the masses. Bacon said it well: “practical men can handle individual matters, but looking at the whole operation globally, but only man can do to knowledge. “Giving up“ two “effective, must first raise awareness of leading cadres of party mem

8、bers, as party members learn real responsibility“ to know “to“ music “,“ good “changes, in parallel with the ground, do not forget to also answer the antenna, draw catches on meteorology, which sit between heaven and Earth which melds together the dreams of practicing Communist. Members cadres shoul

9、d in “two learn a do“ in the based post do contribution in all members in the carried out “learn Constitution Party rules, and learn series speech, do qualified members“ learning education, this is following party of mass line education practice activities and “three strict three real“ topic educati

10、on zhihou, deepening party education of and once important practice, is promoted “three strict three real“ topic education from “key minority“ to all members expand, and from concentrated education to regular education extends of important initiatives. Vast numbers of party members and cadres in the

11、 course of two, should bebased on their actual, striving to be “learning“ and “done“ markers. Strengthening theoretical study, belief and faith. Theory is an action guide, only theoretical knowledge in place, to unity, action can consciously. Constitution is the fundamental law of the party, party r

12、ules are party must follow the General rules. Studying and implementing the party Constitution Party rules and a series of important speech, General Secretary, is a guide to persisting and developing socialism with Chinese characteristics, is a basic work of strengthening the partys construction, bu

13、t also each and every Communist Party Members obligations and solemn responsibility. These important content, for each party, must know would believe will do both. WeGeneral Secretary of the party Constitution, a series of remarks with, and hold, grasp the real “learning“ that basis, based on the Co

14、nstitution speak to issue, in accordance with the series changed the problem. Second, disciplined in line, to become law-abiding model. Is not no rules. If there is no iron discipline, party members and cadres will become a mess, it will lose its fighting strength and vitality, purity and naturally

15、much less advanced. By “two“ education, party members and cadres to keep the “bottom line“, not the more “red lines“, consciously practice the “three Suns“ and consciously act according to the Constitution, party rules, remains a political force, to perform party oath, a tree of its own image. Three

16、 is the loyal, dare to play and play to party members. Learning is the Foundation, is the key to development is the goal. “Two“ main objective is to let the majority of the play to the exemplary role of party members and cadres, party Constitution, party rules to examine. To use new criteria to guid

17、e our behavior. Through education, the ideal and conviction, keep in mind that membership, learn, learn, learn go play a vanguard and exemplary role, the courage to play as, and always maintain the pioneer, pioneering and enterprising spirit, and constantly improve our own capacity and level of serv

18、ice, according to positions and make contributions. Hearts change, lead more strict “began in the know, know as Luke Skywalker“, “two“ activities, be qualified party members both a starting point and ending point. Party cadres only opinions, Foundation, Constitution Party rules, series to better add

19、ress outside in shape, “two“ this is State, leading by example, to lead by example to be qualified party members in the process of doing the deep and solid, higher and more stringent. Jobs with new skills. To be a qualified party member, most basic element is always advanced requirements themselves,

20、 using their power to push forward the cause of the party, the people and the nation. Is to the leading cadres of party members, first of all is based on the job, do the people in the heart. There is not a slogan, but aims to better serve the people, targeted efforts to increase the capacity学院 系班级学号

21、姓名-装-订-线-扬州大学试题纸( 20092010 学年第 一 学期 )物 理 学院 微电、电科、光科 09 级 课程 概率论与数理统计（A）卷题目 一 二 三 总分得分一、填空题（共 22 分,2 分/空）1 设随机事件 , 互不相容，且 ， ，则 AB3.0)(AP6.0)(B)(ABP.2已知连续型随机变量的分布函数为 ，则常数3,1(),xFxa,概率密度函数 .a()f3. 设随机变量 在 上服从均匀分布,则 ， .X(04) )(XE()D4.设随机变量 X 的概率密度函数为 则 /1e,0(),xf其 它 ()EX， .()D5设随机变量 相互独立，且 , ，记 ，,Y(10.

22、5)Xb(1,4)YN2ZY则 , .()EZ()DZ6设 ， ，则利用切比雪夫不等式估计X2.5|P7设总体 ， 是从 中抽取的一个样本，0,1N1021,XX则 的联合概率密度函数 . 21,X 210,fx概率论与数理统计 A 卷 第 1 页 共 6 页leading cadres awareness of right in place, study the party Constitution and party rules, series of speeches can make proper effect. Party cadres to “two“ lead by example

23、, to lead by example we must change our mind, recognizing that “two“ is important. First, learn the Communist Party Constitution Party rules, learning learning series important speech by General Secretary can enhance theory. With the “third revolution“ the rise of rapid changes in our life are feeli

24、ng, the Communists should adhere to the theory of confidence will continue to learn from the voices of the times, the times, in turn, will have new requirements for leading party cadres. “Two“ is the most basic meaning of members all mastering the core theory and the most advanced weapons theory, co

25、mplement the spirit of calcium. Secondly, the Communist Party Constitution Party rules, learning learning series important speech by General Secretary be able to firmly build the ideological foundation. Under the impact of multiple values, the “two“ is to help cultivate independent judgment in numer

26、ous miscellaneous multiple concepts, so that the majority consensus of party members, the important magic weapon of the party with the resonance frequency. Finally, the Constitution of the Communist Party, party rules, learning learning series important speech can stand crowds, General Secretary pos

27、ition. Now, some grass-roots work in the “the old way didnt work, hard way cannot, the new approach would not“ phenomenon, sometimes due to a mass of party members and cadres not understanding, does not meet. In fact, the mass “convincing“ and “identity“Behind are likely to be party members and lead

28、ing cadres themselves ignoring beliefs held, resulting in lack of persuasion and sense of identity. “Two“ is in fact guaranteed party cadres work, an important prerequisite for convincing the masses. Bacon said it well: “practical men can handle individual matters, but looking at the whole operation

29、 globally, but only man can do to knowledge. “Giving up“ two “effective, must first raise awareness of leading cadres of party members, as party members learn real responsibility“ to know “to“ music “,“ good “changes, in parallel with the ground, do not forget to also answer the antenna, draw catche

30、s on meteorology, which sit between heaven and Earth which melds together the dreams of practicing Communist. Members cadres should in “two learn a do“ in the based post do contribution in all members in the carried out “learn Constitution Party rules, and learn series speech, do qualified members“

31、learning education, this is following party of mass line education practice activities and “three strict three real“ topic education zhihou, deepening party education of and once important practice, is promoted “three strict three real“ topic education from “key minority“ to all members expand, and

32、from concentrated education to regular education extends of important initiatives. Vast numbers of party members and cadres in the course of two, should bebased on their actual, striving to be “learning“ and “done“ markers. Strengthening theoretical study, belief and faith. Theory is an action guide

33、, only theoretical knowledge in place, to unity, action can consciously. Constitution is the fundamental law of the party, party rules are party must follow the General rules. Studying and implementing the party Constitution Party rules and a series of important speech, General Secretary, is a guide

34、 to persisting and developing socialism with Chinese characteristics, is a basic work of strengthening the partys construction, but also each and every Communist Party Members obligations and solemn responsibility. These important content, for each party, must know would believe will do both. WeGene

35、ral Secretary of the party Constitution, a series of remarks with, and hold, grasp the real “learning“ that basis, based on the Constitution speak to issue, in accordance with the series changed the problem. Second, disciplined in line, to become law-abiding model. Is not no rules. If there is no ir

36、on discipline, party members and cadres will become a mess, it will lose its fighting strength and vitality, purity and naturally much less advanced. By “two“ education, party members and cadres to keep the “bottom line“, not the more “red lines“, consciously practice the “three Suns“ and consciousl

37、y act according to the Constitution, party rules, remains a political force, to perform party oath, a tree of its own image. Three is the loyal, dare to play and play to party members. Learning is the Foundation, is the key to development is the goal. “Two“ main objective is to let the majority of t

38、he play to the exemplary role of party members and cadres, party Constitution, party rules to examine. To use new criteria to guide our behavior. Through education, the ideal and conviction, keep in mind that membership, learn, learn, learn go play a vanguard and exemplary role, the courage to play

39、as, and always maintain the pioneer, pioneering and enterprising spirit, and constantly improve our own capacity and level of service, according to positions and make contributions. Hearts change, lead more strict “began in the know, know as Luke Skywalker“, “two“ activities, be qualified party memb

40、ers both a starting point and ending point. Party cadres only opinions, Foundation, Constitution Party rules, series to better address outside in shape, “two“ this is State, leading by example, to lead by example to be qualified party members in the process of doing the deep and solid, higher and mo

41、re stringent. Jobs with new skills. To be a qualified party member, most basic element is always advanced requirements themselves, using their power to push forward the cause of the party, the people and the nation. Is to the leading cadres of party members, first of all is based on the job, do the

42、people in the heart. There is not a slogan, but aims to better serve the people, targeted efforts to increase the capacity二、单项选择题 （共 24 分,3 分/题）1. 设 是 3 个随机事件,则 表示 .CBA, CBAA. 都发生 B. 都不发生,C. 至少有一个发生 D. 不多于一个发生,2 三人独立地猜一谜语,已知各人能猜出的概率分别为 1/5, 1/3, 1/4. 则三人中至少有一人能猜出此谜语的概率是 .A. 3/5 B. 2/5 C. 1/60 D. 59/

43、603. 设 是相互独立的两个随机变量，它们的分布函数分别为YX,则 的分布函数为 .),(yFxYX、)max(ZA. B. ,ZXYzzF()max(),ZXYFzzFC. D. ()()4设随机变量 ， ，令 ， ，2,1N2,1NU2V则 ov(,)UV .A0B.C3D65设总体 XN( )， X1，X 2，X 10 为来自该总体的样本， 为样本均2, X值，则 . A. B C. D2(10), 2(),2()10N, 2()10N、6. 设总体 XN(0, 1)，X 1，X 2，X n 为来自该总体的样本，则统计量 . 12ni.A2.B21n.Ctn.D1tn概率论与数理统计

44、A 卷 第 2 页 共 6 页leading cadres awareness of right in place, study the party Constitution and party rules, series of speeches can make proper effect. Party cadres to “two“ lead by example, to lead by example we must change our mind, recognizing that “two“ is important. First, learn the Communist Party

45、 Constitution Party rules, learning learning series important speech by General Secretary can enhance theory. With the “third revolution“ the rise of rapid changes in our life are feeling, the Communists should adhere to the theory of confidence will continue to learn from the voices of the times, t

46、he times, in turn, will have new requirements for leading party cadres. “Two“ is the most basic meaning of members all mastering the core theory and the most advanced weapons theory, complement the spirit of calcium. Secondly, the Communist Party Constitution Party rules, learning learning series im

47、portant speech by General Secretary be able to firmly build the ideological foundation. Under the impact of multiple values, the “two“ is to help cultivate independent judgment in numerous miscellaneous multiple concepts, so that the majority consensus of party members, the important magic weapon of

48、 the party with the resonance frequency. Finally, the Constitution of the Communist Party, party rules, learning learning series important speech can stand crowds, General Secretary position. Now, some grass-roots work in the “the old way didnt work, hard way cannot, the new approach would not“ phenomenon, sometimes due to a mass of pa