[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$frBgar8yNMekHJ2RwBzyu9ngIg1PqMkWxwqeThOQrdaE":3},{"id":4,"source":5,"question":6,"options":7,"answer":8,"related":9,"type":29,"origin":59,"createTime":30},72924197,"v1","有两个袋子.甲袋中有5个白球和7个黑球;乙袋中有3个白球和12个黑球.抽编号为1,2,3的卡片.抽到1号、3号卡片向甲袋中摸1个球,抽到2号卡片向乙袋中摸1个球,则摸到白球的概率为____.(保留3位小数)",[],[],[10,23,31,37,43,49,53],{"id":11,"source":5,"question":12,"options":13,"answer":18,"related":19,"type":20,"origin":21,"createTime":22},72915303,"若事件\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fb7d5adffac79dc85b3773165b89fae48.png\"> 、\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fc9e1b6ec33497e732a1aef02c44da0eb.png\"> 适合\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F41eb7dcfc27de692c68b975670be6498.png\"> 则以下说法正确的是( )",[14,15,16,17],"\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Feb0efceb77f625d5902fa24adfc72752.png\">与 \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F3c374dffdd8b06a8d5e8a177fa8b1f28.png\">互斥(互不相容)","\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fe41c0489f9a614a102a621d5d64ffb84.png\"> 或\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fda45baaf5dbff207c60021f344ef6ffc.png\">","\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Ff2a4f404d9e357175e01a71556735a91.png\">与 \u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F3c374dffdd8b06a8d5e8a177fa8b1f28.png\">同时出现是不可能事件","\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fbf65e51fd33d74b9ae26dc064bf50d1a.png\"> 则\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F4d62b2443258a531059a29eb10d89632.png\">",[],[],0,null,"2023-06-19T22:13:59+08:00",{"id":24,"source":5,"question":25,"options":26,"answer":27,"related":28,"type":29,"origin":21,"createTime":30},72924193,"已知P(A)=0.2,P(A|B)=0.3,P(B|A)=0.4,则\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F50764d6edcea67062ebb60680466f05f.png\">____.(保留2位小数)",[],[],[],2,"2023-06-19T22:16:25+08:00",{"id":32,"source":5,"question":33,"options":34,"answer":35,"related":36,"type":29,"origin":21,"createTime":30},72924194,"袋中有6只白球,5只红球,每次在袋中任取1只.若取得白球,放回,并放入1只白球;若取得红球不放回也不再放入另外的球.连续取球4次,求第一、二次取得白球且第三、四次取得红球的概率 .(保留3位小数)",[],[],[],{"id":38,"source":5,"question":39,"options":40,"answer":41,"related":42,"type":29,"origin":21,"createTime":30},72924195,"猎手在距猎物10米处开枪,击中概率为0.6.若击不中,待开第二枪时猎物已逃至30米远处,此时击中概率为0.25,若再击不中,则猎物已逃至50米远处,此时只有0.1的击中概率.求猎手三枪内击中猎物的概率 .(保留2位小数)",[],[],[],{"id":44,"source":5,"question":45,"options":46,"answer":47,"related":48,"type":29,"origin":21,"createTime":30},72924196,"在一个盒中装有15个乒乓球,其中有9个新球,在第一次比赛中任意取出3个球,比赛后放回原盒中;第二次比赛同样任意取出3个球,求第二次取出的3个球均为新球的概率 .(保留3位小数)",[],[],[],{"id":4,"source":5,"question":6,"options":50,"answer":51,"related":52,"type":29,"origin":21,"createTime":30},[],[],[],{"id":54,"source":5,"question":55,"options":56,"answer":57,"related":58,"type":29,"origin":21,"createTime":30},72924198,"已知5%的男人和0.25%的女人是色盲,现随机地挑选一人,此人恰为色盲,问此人是男人的概率 (假设男人和女人各占人数的一半.保留3位小数)",[],[],[],{"courseName":60,"courseImg":61,"workName":62,"workId":63,"count":64,"courseId":65},"概率论与数理统计B","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F970f017ca4b56ace4d3d9eec7d573e6c.jpg","作业1.3","work_26116685",7,"0251d986ada4b85baf4547c256124a5f"]