概率论与数理统计试卷及详解(5套).ppt

0.8,0.3,0.6,2020/5/31,1,概率统计期末复习题解答cyx-ljy,1,2020/5/31,2,概率统计期末复习题解答cyx-ljy,5,36,2020/5/31,3,概率统计期末复习题解答cyx-ljy,1,将代入上式得:,2020/5/31,4,概率统计期末复习题解答cyx-ljy,2020/5/31,5,概率统计期末复习题解答cyx-ljy,2020/5/31,6,概率统计期末复习题解答cyx-ljy,：第,人译出,2020/5/31,7,概率统计期末复习题解答cyx-ljy,设,表示落在,的点的个数,2020/5/31,8,概率统计期末复习题解答cyx-ljy,2020/5/31,9,概率统计期末复习题解答cyx-ljy,2020/5/31,10,概率统计期末复习题解答cyx-ljy,2020/5/31,11,概率统计期末复习题解答cyx-ljy,2020/5/31,12,概率统计期末复习题解答cyx-ljy,2020/5/31,13,概率统计期末复习题解答cyx-ljy,两边求导,2020/5/31,14,概率统计期末复习题解答cyx-ljy,2020/5/31,15,概率统计期末复习题解答cyx-ljy,2020/5/31,16,概率统计期末复习题解答cyx-ljy,2020/5/31,17,概率统计期末复习题解答cyx-ljy,取对数,2020/5/31,18,概率统计期末复习题解答cyx-ljy,0.75,0.2,0.48,2020/5/31,20,概率统计期末复习题解答cyx-ljy,0.8,1.2,2020/5/31,21,概率统计期末复习题解答cyx-ljy,2020/5/31,22,概率统计期末复习题解答cyx-ljy,2020/5/31,23,概率统计期末复习题解答cyx-ljy,2020/5/31,24,概率统计期末复习题解答cyx-ljy,0,1,2,0.4,0.2,0.4,2020/5/31,25,概率统计期末复习题解答cyx-ljy,2020/5/31,26,概率统计期末复习题解答cyx-ljy,0,1,0,1,0,1,0,1,2020/5/31,27,概率统计期末复习题解答cyx-ljy,2020/5/31,28,概率统计期末复习题解答cyx-ljy,2020/5/31,29,概率统计期末复习题解答cyx-ljy,D1,2020/5/31,30,概率统计期末复习题解答cyx-ljy,2020/5/31,31,概率统计期末复习题解答cyx-ljy,2020/5/31,32,概率统计期末复习题解答cyx-ljy,2020/5/31,33,概率统计期末复习题解答cyx-ljy,取对数,2020/5/31,34,概率统计期末复习题解答cyx-ljy,2,2,2020/5/31,35,概率统计期末复习题解答cyx-ljy,无偏估计量,2020/5/31,36,概率统计期末复习题解答cyx-ljy,B,D,B,2020/5/31,37,概率统计期末复习题解答cyx-ljy,A,2020/5/31,38,概率统计期末复习题解答cyx-ljy,C,C,2020/5/31,39,概率统计期末复习题解答cyx-ljy,解：Ai:产品由,车间生产的产品,B：产品是次品,2020/5/31,40,概率统计期末复习题解答cyx-ljy,2020/5/31,41,概率统计期末复习题解答cyx-ljy,0.4,0.25,0.35,0.65,0.35,2020/5/31,42,概率统计期末复习题解答cyx-ljy,即：,2020/5/31,43,概率统计期末复习题解答cyx-ljy,2020/5/31,44,概率统计期末复习题解答cyx-ljy,2020/5/31,45,概率统计期末复习题解答cyx-ljy,2020/5/31,46,概率统计期末复习题解答cyx-ljy,若,成立，则:,而：,查表,可以认为,成立,拒绝域为：,2020/5/31,47,概率统计期末复习题解答cyx-ljy,2020/5/31,48,概率统计期末复习题解答cyx-ljy,89,2020/5/31,49,概率统计期末复习题解答cyx-ljy,2,1.6,0.8,2020/5/31,50,概率统计期末复习题解答cyx-ljy,2020/5/31,51,概率统计期末复习题解答cyx-ljy,0.6,2020/5/31,52,概率统计期末复习题解答cyx-ljy,C,A,2020/5/31,53,概率统计期末复习题解答cyx-ljy,B,D,2020/5/31,54,概率统计期末复习题解答cyx-ljy,A,D,2020/5/31,55,概率统计期末复习题解答cyx-ljy,D,C,2020/5/31,56,概率统计期末复习题解答cyx-ljy,解：将“B为黑球”记为D,将“A为黑球”记为C,2020/5/31,57,概率统计期末复习题解答cyx-ljy,解:,2020/5/31,58,概率统计期末复习题解答cyx-ljy,2020/5/31,59,概率统计期末复习题解答cyx-ljy,2020/5/31,60,概率统计期末复习题解答cyx-ljy,2020/5/31,概率统计期末复习题解答cyx-ljy,61,2020/5/31,62,概率统计期末复习题解答cyx-ljy,取对数,2020/5/31,63,概率统计期末复习题解答cyx-ljy,得证,2020/5/31,64,概率统计期末复习题解答cyx-ljy,2020/5/31,65,概率统计期末复习题解答cyx-ljy,2020/5/31,66,概率统计期末复习题解答cyx-ljy,2020/5/31,67,概率统计期末复习题解答cyx-ljy,1,2020/5/31,69,概率统计期末复习题解答cyx-ljy,C,A,2020/5/31,70,概率统计期末复习题解答cyx-ljy,A,C,2020/5/31,71,概率统计期末复习题解答cyx-ljy,C,2020/5/31,72,概率统计期末复习题解答cyx-ljy,解：A:确实带菌,B：检验认为呈阳性,73,-1,1,2,0.4,0.4,0.2,解：,2020/5/31,74,概率统计期末复习题解答cyx-ljy,2020/5/31,75,概率统计期末复习题解答cyx-ljy,2020/5/31,76,概率统计期末复习题解答cyx-ljy,2020/5/31,77,概率统计期末复习题解答cyx-ljy,由中心极限定理知：,2020/5/31,78,概率统计期末复习题解答cyx-ljy,解：设,0,1,0.9,0.1,0,1,0.8,0.2,0,1,0.7,0.3,2020/5/31,79,概率统计期末复习题解答cyx-ljy,2020/5/31,80,概率统计期末复习题解答cyx-ljy,2020/5/31,81,概率统计期末复习题解答cyx-ljy,由（2）知,对,递增，又,故，,再由（1）得：,2020/5/31,82,概率统计期末复习题解答cyx-ljy,2020/5/31,83,概