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src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe41a29788b1a5ac2ade76853a22d72a5.png\">",[18,29,32,41,50,59,68,74,83,92],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],312078552,[22,23,24,25],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff1277e5235cf6ca17119d2f6bbbb1317.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2c3e6a657c2d99cfdd87d345e6f241fc.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3ef5eed7c9c8452fc13fede6b56270b0.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe8dd0cfb65ab743d69613fd56ffa4ece.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F75ea02424155f895b9680f8c4683342f.png\">","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],312078554,[36,37,38,39],"1\u002F6","1\u002F4","1\u002F8","1\u002F2","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F072af6d665c6c72079f03dbe6ab71d84.png\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],312078555,[45,46,47,48],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F10363eed4889eeb2acdc0cf062e0af1d.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbbb6d2bc65005ffac2f97fcd95be1de9.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdfde12ae10f444f8f191dba1de06b110.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffd166c1ca9a163cfffe2e427d6900313.webp\">","设随机变量X的概率密度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd4cbf029cda8d5ab8eb9203ca7943ad9.webp\">求随机变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F42bf2effd0bb39b1dd05cf55d2dc28a9.webp\">的概率密度",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],312078556,[54,55,56,57],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1702bd0faa3f83792f66a50a3751983c.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F66eeb3da5fe8aa0ebef0d87c2d60dda5.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F23ae534a11c0d8bd0a7e8c8bb798c129.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffa3df2c6a2f64c3026f8a84e574637b1.webp\">","P.26习题14(2) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0f97081d03464115b5d136929b205bb7.png\">",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],312078557,[63,64,65,66],"4","3","1","2","设随机变量X服从参数为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9be158d65aaeb48c0f0417ce7d3e8e98.webp\">的泊松分布,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4c8a745a9e21609a728656b8ca45dd00.webp\">,则参数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9118a94304fc94e2b81ae5c39c3ac1a1.webp\">=( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":73,"source":27,"type":28},[],312078558,[56,57,55,72],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F94c28e51e1d550a5045d11628ad13f38.webp\">","口袋中有5个白球,7个黑球和4个红球,从中不返回任取3个,求取出的3个球颜色各不相同的概率",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],312078559,[78,79,80,81],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feb06150c4c919bcfde404abf7cfd7bca.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb331a11878bd443e569a0f6d2ccfedc3.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff2398cbecf045ec2f63563e6e3918e39.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6fece96bce3ef33d130c376f2aa020ad.webp\">","P.25习题7 某油漆公司发出17桶油漆,其中白漆10桶、黑漆4桶,红漆3桶.在搬运中所标笺脱落,交货人随意将这些标笺重新贴,问一个定货4桶白漆,3桶黑漆和2桶红漆顾客,按所定的颜色如数得到定货的概率是多少",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],312078560,[87,88,89,90],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0a8797eb4c8d9dbf247bec3ceebc06cb.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F15b4b54665f19f300f94c9bc389ad798.webp\">是大于零的实数","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F46a7c7fcafd2d2be595ac53c30069237.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F855bfae25998e2bb9f8f20c0ca1e1703.webp\">","设离散型随机变量X的分布律为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff3bb5c09e057217b5cf92860e441f242.webp\">且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F56a2436795328176c2e28a54da97dc29.webp\">,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F15b4b54665f19f300f94c9bc389ad798.webp\">",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":27,"type":28},[],312078561,[96,97,98,99],"0.3","0.4","0.25","0.2","P.26习题14(1) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff8fd49844ac0666aa25b01123c9323ed.png\">"]