[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fuIwvNXB3eLXJrUQEohksGTBZPh6JssMCuQ3bUTh6gTM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":68},[],"2024-09-22 16:13:22",159921869,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},7,"7c85f473485b3fbaec7a615a69ab3075","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","概率论与数理统计2024下","work_36813504","1.2 概率的定义与性质","两个事件概率之和总不会小于两个事件和的概率",[19,31,37,46,54,63,69],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2024-09-22 16:08:51",159921353,[24,25,26,27],"A","B","C","D","设A和B是任意两个概率不为零的互不相容事件,则下列结论中肯定正确的是( ). A、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faaa384fc6161ad6b75140fd9cb4d02d3.webp\"> 与 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6c5c0c54de8db84439bb83a7fa9d5d64.webp\"> 不相容 B、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faaa384fc6161ad6b75140fd9cb4d02d3.webp\"> 与 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6c5c0c54de8db84439bb83a7fa9d5d64.webp\"> 相容 C、P(AB)=P(A)P(B) D、P(A-B)=P(A)","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":36,"source":29,"type":30},[],159921354,[35,35,35,35],"","在一个随机试验中,事件A与事件B发生的概率分别是0.4和0.7,那麽事件AB同时发生的概率取值范围是",{"answer":38,"createTime":21,"id":39,"options":40,"question":45,"source":29,"type":30},[],159921355,[41,42,43,44],"0.6","0.4","0.3","0.1","设P(A)=0.7, P(A-B)=0.3,则P(AB)=( ),〈课后请思考事件B的概率在什么范围〉",{"answer":47,"createTime":21,"id":48,"options":49,"question":53,"source":29,"type":30},[],159921356,[50,51,41,52],"0.8","0.7","1.0","设P(A)=0.7, P(A-B)=0.3, P(B)=0.5,则P(A+B)=( )",{"answer":55,"createTime":56,"id":57,"options":58,"question":36,"source":29,"type":30},[],"2024-09-22 16:13:21",159921864,[59,60,61,62],"[0,0.3]","[0.4,0.7]","[0.1,0.7]","[0.1,0.4]",{"answer":64,"createTime":5,"id":65,"options":66,"question":67,"source":29,"type":68},[],159921868,[8,9],"事件A发生的概率为0,那么AB发生的概率一定是0",3,{"answer":70,"createTime":5,"id":6,"options":71,"question":17,"source":29,"type":68},[],[8,9]]