[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fOAFw6Wbe7pxuToqin4UBBaZUB_YdL1Th5Wdh13Ebmns":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-12-31 18:22:58",175514947,[8,9,10,11],"2\u002F100, 7\u002F100","3\u002F100, 7\u002F100","2\u002F100, 21\u002F100","2\u002F100, 6\u002F100",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},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","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】",[21,32,41,50,59,62,70,75,80,85],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],175514940,[25,26,27,28],"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":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],175514941,[36,37,38,39],"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":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],175514943,[45,46,47,48],"{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":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],175514945,[54,55,56,57],"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":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":68,"source":30,"type":69},[],175514949,[66,67],"正确","错误","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":71,"createTime":5,"id":72,"options":73,"question":74,"source":30,"type":69},[],175514951,[66,67],"已知P (A∪B)=0.7,P (A)=0.4,则P (B)的值一定大于0.3",{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":30,"type":69},[],175514953,[66,67],"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":30,"type":69},[],175514955,[66,67],"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":30,"type":69},[],175514960,[66,67],"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】"]