[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2yja0H4n2c_p0574hi4eQ93d1lzNC0FlMfGFJdPyaTs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":28,"type":71},[],"2024-12-31 18:22:58",175514951,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},11,"a382b7f96bd41427173f801be797223a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F38801ba44b47750574fc833b97cfeea4.jpg","概率论与数理统计","exam_131541977","第一章复习测试","已知P (A∪B)=0.7,P (A)=0.4,则P (B)的值一定大于0.3",[19,30,39,48,57,66,72,75,80,85],{"answer":20,"createTime":5,"id":21,"options":22,"question":27,"source":28,"type":29},[],175514940,[23,24,25,26],"P(A)=P(B)=0.6","A∩B≠φ","A与B独立","A与B互不相容","1. 在同一个样本空间中的随机事件A,B,P(A)+P(B)=1.2,则下列叙述一定正确的是( ). 【2023年下半年教师资格考试数学学科知识与教学能力(高级中学)试题】","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],175514941,[34,35,36,37],"0.1","0.7","0.3","0","已知P(A)=0.7,P(A-B) =0.4,则P(AB)=( ) . A. 0.1 B. 0.7 C. 0.3 D. 0",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],175514943,[43,44,45,46],"{全是正品}","{至多有一件正品}","{至多有一件次品}","{至少有一件正品}","抽查10件产品,设A={至少有一件次品},则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5e3211f67514a1da7a6ced7a0c913b7e.png\"> =( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":28,"type":29},[],175514945,[52,53,54,55],"2\u002F15","4\u002F9","2\u002F5","1\u002F5","设10件产品中有4件不合格品,从中任取2件,已知其中一件是不合格品,则另外一件也是不合格品的概率为( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":28,"type":29},[],175514947,[61,62,63,64],"2\u002F100, 7\u002F100","3\u002F100, 7\u002F100","2\u002F100, 21\u002F100","2\u002F100, 6\u002F100","不透明袋子中有10个完全相同的乒乓球,分别标有数字1到10.从袋子中随机摸出1个球,记录标号后放回袋子,再随机摸出一个球,记录标号后放回袋中.则两次摸出球的标号之和是3的概率为( ),两次摸出球的标号之和最大是7的概率为( ). 【2021年下半年教师资格考试数学学科知识与教学能力(初级中学)试题】",{"answer":67,"createTime":5,"id":68,"options":69,"question":70,"source":28,"type":71},[],175514949,[8,9],"已知A,B,C为相互独立的三个事件,若P(A)=P(B)=P(C)=0.3,则P(A∪B∪C)=1-0.73=0.657",3,{"answer":73,"createTime":5,"id":6,"options":74,"question":17,"source":28,"type":71},[],[8,9],{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":28,"type":71},[],175514953,[8,9],"设A,B,C为三个随机事件,用 S-ABC 表示事件"A,B,C都不发生"",{"answer":81,"createTime":5,"id":82,"options":83,"question":84,"source":28,"type":71},[],175514955,[8,9],"有4件产品,其中3件是合格品,1件次品.不放回地取两次,每次取1件产品.则在第一次取到合格品的条件下,第二次仍然取到合格品的概率为2\u002F3. 【2022年下半年教师资格考试数学学科知识与教学能力(初级中学)试题】",{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":28,"type":71},[],175514960,[8,9],"一个袋子里有8个黑球,8个白球,随机不放回连续取球五次,求最多取到3个白球的概率为67\u002F78 【 2019年下半年教师资格考试数学学科知识与教学能力(初级中学、高级中学)试题】"]