{"id":415,"date":"2023-07-30T07:37:23","date_gmt":"2023-07-30T07:37:23","guid":{"rendered":"https:\/\/statorials.org\/cn\/%e6%8a%bd%e6%a0%b7%e5%88%86%e5%b8%83\/"},"modified":"2023-07-30T07:37:23","modified_gmt":"2023-07-30T07:37:23","slug":"%e6%8a%bd%e6%a0%b7%e5%88%86%e5%b8%83","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/%e6%8a%bd%e6%a0%b7%e5%88%86%e5%b8%83\/","title":{"rendered":"\u4ec0\u4e48\u662f\u62bd\u6837\u5206\u5e03\uff1f"},"content":{"rendered":"<hr>\n<p><span style=\"color: #000000;\">\u60f3\u8c61\u4e00\u4e0b\uff0c\u6709 10,000 \u53ea\u6d77\u8c5a\uff0c\u5176\u4e2d\u4e00\u53ea\u6d77\u8c5a\u7684\u5e73\u5747\u4f53\u91cd\u4e3a 300 \u78c5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5982\u679c\u6211\u4eec\u4ece\u8fd9\u4e2a\u79cd\u7fa4\u4e2d<a href=\"https:\/\/statorials.org\/cn\/\u62bd\u6837\u65b9\u6cd5\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u968f\u673a<\/a>\u62bd\u53d6 50 \u53ea\u6d77\u8c5a\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u53d1\u73b0\u8be5\u6837\u672c\u4e2d\u6d77\u8c5a\u7684\u5e73\u5747\u4f53\u91cd\u4e3a 305 \u78c5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u7136\u540e\uff0c\u5982\u679c\u6211\u4eec\u518d\u62bd\u53d6 50 \u53ea\u6d77\u8c5a\u7684\u7b80\u5355\u968f\u673a\u6837\u672c\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u53d1\u73b0\u8be5\u6837\u672c\u4e2d\u6d77\u8c5a\u7684\u5e73\u5747\u4f53\u91cd\u4e3a 295 \u78c5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u6bcf\u5f53\u6211\u4eec\u5bf9 50 \u53ea\u6d77\u8c5a\u8fdb\u884c\u7b80\u5355\u968f\u673a\u62bd\u6837\u65f6\uff0c\u6837\u672c\u4e2d\u6d77\u8c5a\u7684\u5e73\u5747\u4f53\u91cd\u5f88\u53ef\u80fd\u63a5\u8fd1\u79cd\u7fa4\u5e73\u5747\u4f53\u91cd 300 \u78c5\uff0c\u4f46\u53c8\u4e0d\u5b8c\u5168\u662f 300 \u78c5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u4ece\u8be5\u79cd\u7fa4\u4e2d\u62bd\u53d6 50 \u53ea\u6d77\u8c5a\u7684 200 \u4e2a\u7b80\u5355\u968f\u673a\u6837\u672c\uff0c\u5e76\u521b\u5efa\u6bcf\u4e2a\u6837\u672c\u5e73\u5747\u4f53\u91cd\u7684\u76f4\u65b9\u56fe\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-1066 size-full\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/echantillonnagedist1.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"718\" height=\"455\"><\/p>\n<p><span style=\"color: #000000;\">\u5728\u5927\u591a\u6570\u6837\u672c\u4e2d\uff0c\u5e73\u5747\u91cd\u91cf\u63a5\u8fd1 300 \u78c5\u3002\u5728\u6781\u5c11\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u91c7\u96c6\u5927\u91cf\u5e73\u5747\u4f53\u91cd\u4ec5\u4e3a 250 \u78c5\u7684\u5c0f\u6d77\u8c5a\u3002\u6216\u8005\u6211\u4eec\u53ef\u80fd\u4f1a\u91c7\u96c6\u5e73\u5747\u91cd 350 \u78c5\u7684\u5bbd\u543b\u6d77\u8c5a\u6837\u672c\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6837\u672c\u5747\u503c\u7684<em>\u5206\u5e03<\/em>\u8fd1\u4f3c\u6b63\u6001\uff0c\u5206\u5e03\u4e2d\u5fc3\u4f4d\u4e8e\u603b\u4f53\u7684\u771f\u5b9e\u4e2d\u5fc3\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u6837\u672c\u5747\u503c\u7684\u8fd9\u79cd\u5206\u5e03\u79f0\u4e3a<strong>\u5747\u503c\u7684\u62bd\u6837\u5206\u5e03<\/strong>\uff0c\u5e76\u5177\u6709\u4ee5\u4e0b\u5c5e\u6027\uff1a<\/span><\/p>\n<p style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong><sub><span style=\"border-top: 1px solid black;\">\u00b5x<\/span><\/sub><\/strong> = \u00b5<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d \u03bc <sub><span style=\"border-top: 1px solid black;\">x<\/span><\/sub>\u662f\u6837\u672c\u5e73\u5747\u503c\uff0c\u03bc \u662f\u603b\u4f53\u5e73\u5747\u503c\u3002<\/span><\/p>\n<p style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong><sub><span style=\"border-top: 1px solid black;\">\u03c3x<\/span><\/sub><\/strong> = \u03c3\/\u221an<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d \u03c3 <sub><span style=\"border-top: 1px solid black;\">x<\/span><\/sub>\u662f\u6837\u672c\u6807\u51c6\u5dee\uff0c\u03c3 \u662f\u603b\u4f53\u6807\u51c6\u5dee\uff0cn \u662f\u6837\u672c\u91cf\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5728\u8fd9\u4e2a\u6d77\u8c5a\u79cd\u7fa4\u4e2d\uff0c\u6211\u4eec\u77e5\u9053\u5e73\u5747\u4f53\u91cd\u4e3a \u03bc = 300\u3002\u56e0\u6b64\u91c7\u6837\u5206\u5e03\u7684\u5e73\u5747\u503c\u4e3a<strong>\u03bc <sub><span style=\"border-top: 1px solid black;\">x<\/span><\/sub><\/strong> = <strong>300<\/strong> \u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u8fd8\u77e5\u9053\u603b\u4f53\u6807\u51c6\u5dee\u662f 18 \u78c5\u3002\u56e0\u6b64\uff0c\u6837\u672c\u6807\u51c6\u5dee\u4e3a<strong>\u03c3 <sub><span style=\"border-top: 1px solid black;\">x<\/span><\/sub><\/strong> = 18\/ \u221a50 = <strong>2.546<\/strong> \u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u6bd4\u4f8b\u62bd\u6837\u5206\u914d<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u8003\u8651\u540c\u6837\u6570\u91cf\u7684 10,000 \u53ea\u6d77\u8c5a\u3002\u5047\u8bbe 10% \u7684\u6d77\u8c5a\u662f\u9ed1\u8272\u7684\uff0c\u5176\u4f59\u7684\u662f\u7070\u8272\u7684\u3002\u5047\u8bbe\u6211\u4eec\u5bf9 50 \u53ea\u6d77\u8c5a\u8fdb\u884c\u4e86<a href=\"https:\/\/statorials.org\/cn\/\u62bd\u6837\u65b9\u6cd5\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u7b80\u5355\u7684\u968f\u673a\u62bd\u6837<\/a>\uff0c\u53d1\u73b0\u8be5\u6837\u672c\u4e2d 14% \u7684\u6d77\u8c5a\u662f\u9ed1\u8272\u7684\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u518d\u5bf9 50 \u53ea\u6d77\u8c5a\u8fdb\u884c\u7b80\u5355\u968f\u673a\u62bd\u6837\uff0c\u53d1\u73b0\u8be5\u6837\u672c\u4e2d 8% \u7684\u6d77\u8c5a\u662f\u9ed1\u8272\u7684\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u60f3\u8c61\u4e00\u4e0b\uff0c\u6211\u4eec\u4ece\u8be5\u79cd\u7fa4\u4e2d\u62bd\u53d6 50 \u53ea\u6d77\u8c5a\u7684 200 \u4e2a\u7b80\u5355\u968f\u673a\u6837\u672c\uff0c\u5e76\u521b\u5efa\u6bcf\u4e2a\u6837\u672c\u4e2d\u9ed1\u6d77\u8c5a\u6bd4\u4f8b\u7684\u76f4\u65b9\u56fe\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-1072 size-full\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/echantillonnagedist2.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"712\" height=\"457\"><\/p>\n<p><span style=\"color: #000000;\">\u5728\u5927\u591a\u6570\u6837\u672c\u4e2d\uff0c\u9ed1\u6d77\u8c5a\u7684\u6bd4\u4f8b\u5c06\u63a5\u8fd1\u5b9e\u9645\u79cd\u7fa4\u7684 10%\u3002\u9ed1\u6d77\u8c5a\u7684\u6837\u672c\u6bd4\u4f8b<em>\u5206\u5e03<\/em>\u5c06\u8fd1\u4f3c\u6b63\u6001\u5206\u5e03\uff0c\u5206\u5e03\u4e2d\u5fc3\u4f4d\u4e8e\u79cd\u7fa4\u7684\u771f\u5b9e\u4e2d\u5fc3\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u8fd9\u79cd\u6837\u672c\u6bd4\u4f8b\u5206\u5e03\u79f0\u4e3a<strong>\u6bd4\u4f8b\u62bd\u6837\u5206\u5e03<\/strong>\uff0c\u5177\u6709\u4ee5\u4e0b\u5c5e\u6027\uff1a<\/span><\/p>\n<p style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong><sub>\u00b5p<\/sub><\/strong> = P<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d<em>p<\/em>\u662f\u6837\u672c\u6bd4\u4f8b\uff0c <em>P<\/em>\u662f\u603b\u4f53\u6bd4\u4f8b\u3002<\/span><\/p>\n<p style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>\u03c3 <sub>p<\/sub><\/strong> = \u221a <span style=\"border-top: 1px solid black;\">(P)(1-P) \/ n<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d P \u662f\u603b\u4f53\u6bd4\u4f8b\uff0cn \u662f\u6837\u672c\u5927\u5c0f\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5728\u8fd9\u4e2a\u6d77\u8c5a\u79cd\u7fa4\u4e2d\uff0c\u6211\u4eec\u77e5\u9053\u9ed1\u6d77\u8c5a\u7684\u771f\u5b9e\u6bd4\u4f8b\u662f 10% = 0.1\u3002\u56e0\u6b64\uff0c\u6bd4\u4f8b\u62bd\u6837\u5206\u5e03\u7684\u5e73\u5747\u503c\u4e3a<strong>\u03bc <sub>p<\/sub><\/strong> = <strong>0.1<\/strong> \u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u8fd8\u77e5\u9053\u603b\u4f53\u6807\u51c6\u5dee\u662f 18 \u78c5\u3002\u56e0\u6b64\uff0c\u6837\u672c\u6807\u51c6\u5dee\u4e3a<strong>\u03c3 <sub>p<\/sub><\/strong> = \u221a <span style=\"border-top: 1px solid black;\">(P)(1-P) \/ n<\/span> = \u221a <span style=\"border-top: 1px solid black;\">(.1)(1-.1) \/ 50<\/span> = <strong>.042<\/strong> \u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u5efa\u7acb\u5e38\u6001<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u8981\u4f7f\u7528\u4e0a\u9762\u7684\u516c\u5f0f\uff0c\u62bd\u6837\u5206\u5e03\u5fc5\u987b\u662f\u6b63\u6001\u7684\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u6839\u636e<a href=\"https:\/\/statorials.org\/cn\/\u7edf\u8ba1\u5b66\u4ee5\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u5f0f\u89e3\u91ca\u6982\u5ff5\uff0c\u6211\u4eec\u4f7f\u5b66\u4e60\u7edf\u8ba1\u53d8\u5f97\u66f4\u5bb9\u6613\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>\u4e2d\u5fc3\u6781\u9650\u5b9a\u7406<\/strong><\/a>\uff0c\u5982\u679c\u6837\u672c\u91cf\u8db3\u591f\u5927\uff0c<em>\u5373\u4f7f\u603b\u4f53\u5206\u5e03\u4e0d\u6b63\u6001\uff0c\u6837\u672c\u5747\u503c\u7684\u62bd\u6837\u5206\u5e03\u4e5f\u8fd1\u4f3c\u6b63\u6001<\/em>\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u8ba4\u4e3a 30 \u4e2a\u6216\u66f4\u591a\u7684\u6837\u672c\u91cf\u5c31\u8db3\u591f\u5927\u4e86\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5982\u679c\u9884\u671f\u6210\u529f\u6b21\u6570\u548c\u5931\u8d25\u6b21\u6570\u90fd\u81f3\u5c11\u4e3a 10\uff0c\u5219\u6837\u672c\u6bd4\u4f8b\u7684\u62bd\u6837\u5206\u5e03\u8fd1\u4f3c\u6b63\u6001\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u4f8b\u5b50<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u62bd\u6837\u5206\u5e03\u6765\u8ba1\u7b97\u6982\u7387\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u793a\u4f8b1\uff1a<\/strong><em><strong>\u67d0\u53f0\u673a\u5668\u521b\u5efacookie\u3002\u8fd9\u4e9b\u997c\u5e72\u7684\u91cd\u91cf\u5206\u5e03\u5411\u53f3\u503e\u659c\uff0c\u5e73\u5747\u503c\u4e3a 10 \u76ce\u53f8\uff0c\u6807\u51c6\u5dee\u4e3a 2 \u76ce\u53f8\u3002\u5982\u679c\u6211\u4eec\u5bf9\u8fd9\u53f0\u673a\u5668\u751f\u4ea7\u7684 100 \u5757\u997c\u5e72\u8fdb\u884c\u7b80\u5355\u968f\u673a\u62bd\u6837\uff0c\u5219\u8be5\u6837\u672c\u4e2d\u997c\u5e72\u7684\u5e73\u5747\u91cd\u91cf\u5c0f\u4e8e 9.8 \u76ce\u53f8\u7684\u6982\u7387\u662f\u591a\u5c11\uff1f<\/strong><\/em><\/span><\/p>\n<p><strong><span style=\"color: #000000;\">\u7b2c\u4e00\u6b65\uff1a\u5efa\u7acb\u5e38\u6001\u3002<\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u9700\u8981\u4fdd\u8bc1\u6837\u672c\u5747\u503c\u7684\u62bd\u6837\u5206\u5e03\u662f\u6b63\u6001\u7684\u3002\u7531\u4e8e\u6211\u4eec\u7684\u6837\u672c\u91cf\u5927\u4e8e\u7b49\u4e8e30\uff0c\u6839\u636e\u4e2d\u5fc3\u6781\u9650\u5b9a\u7406\uff0c\u6211\u4eec\u53ef\u4ee5\u5047\u8bbe\u6837\u672c\u5747\u503c\u7684\u62bd\u6837\u5206\u5e03\u662f\u6b63\u6001\u7684\u3002<\/span><\/p>\n<p><strong><span style=\"color: #000000;\">\u6b65\u9aa4 2\uff1a\u6c42\u62bd\u6837\u5206\u5e03\u7684\u5747\u503c\u548c\u6807\u51c6\u5dee\u3002<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"> <span style=\"color: #000000;\"><strong><sub><span style=\"border-top: 1px solid black;\">\u00b5x<\/span><\/sub><\/strong> = \u00b5<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong><sub><span style=\"border-top: 1px solid black;\">\u03c3x<\/span><\/sub><\/strong> = \u03c3\/\u221an<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u03bc <sub><span style=\"border-top: 1px solid black;\">x<\/span><\/sub><\/strong> = <strong>10 \u76ce\u53f8<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u03c3 <sub><span style=\"border-top: 1px solid black;\">x<\/span><\/sub><\/strong> = 2\/ \u221a100 = 2\/10 = <strong>0.2 \u76ce\u53f8<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u6b65\u9aa4 3\uff1a<\/strong><strong>\u4f7f\u7528<a href=\"https:\/\/statorials.org\/cn\/\u5feb\u901f\u6b63\u6001\u7d2f\u79ef\u5206\u5e03\u51fd\u6570\u8ba1\u7b97\u5668\/\" target=\"_blank\" rel=\"noopener noreferrer\">Z \u5206\u6570\u9762\u79ef\u8ba1\u7b97\u5668<\/a>\u786e\u5b9a\u8be5\u6837\u672c\u4e2d\u997c\u5e72\u7684\u5e73\u5747\u91cd\u91cf\u5c0f\u4e8e 9.8 \u76ce\u53f8\u7684\u6982\u7387\u3002<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u5c06\u4ee5\u4e0b\u6570\u5b57\u8f93\u5165<a href=\"https:\/\/statorials.org\/cn\/\u5feb\u901f\u6b63\u6001\u7d2f\u79ef\u5206\u5e03\u51fd\u6570\u8ba1\u7b97\u5668\/\" target=\"_blank\" rel=\"noopener noreferrer\">Z \u5206\u6570\u9762\u79ef\u8ba1\u7b97\u5668\u3002<\/a>\u60a8\u53ef\u4ee5\u5c06\u201c\u539f\u59cb\u5206\u6570 2\u201d\u7559\u7a7a\uff0c\u56e0\u4e3a\u6211\u4eec\u5728\u6b64\u793a\u4f8b\u4e2d\u53ea\u627e\u5230\u4e00\u4e2a\u6570\u5b57\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-1077\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/zcalc1.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"400\" height=\"622\"><br \/><span style=\"color: #000000;\">\u7531\u4e8e\u6211\u4eec\u60f3\u77e5\u9053\u6b64\u6837\u672c\u4e2d\u997c\u5e72\u7684\u5e73\u5747\u91cd\u91cf<em>\u5c0f\u4e8e<\/em>9.8 \u76ce\u53f8\u7684\u6982\u7387\uff0c\u56e0\u6b64\u6211\u4eec\u5bf9 9.8<em>\u5de6\u4fa7<\/em>\u7684\u533a\u57df\u611f\u5174\u8da3\u3002\u8ba1\u7b97\u5668\u544a\u8bc9\u6211\u4eec\u8fd9\u4e2a\u6982\u7387\u662f<strong>0.15866<\/strong> \u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u793a\u4f8b 2\uff1a<\/strong><em><strong>\u6839\u636e\u4e00\u9879\u5168\u6821\u8303\u56f4\u7684\u7814\u7a76\uff0c\u67d0\u6240\u5b66\u6821 87% \u7684\u5b66\u751f\u66f4\u559c\u6b22\u62ab\u8428\u800c\u4e0d\u662f\u51b0\u6dc7\u6dcb\u3002\u5047\u8bbe\u6211\u4eec\u5bf9 200 \u540d\u5b66\u751f\u8fdb\u884c\u7b80\u5355\u968f\u673a\u62bd\u6837\u3002\u559c\u6b22\u62ab\u8428\u7684\u5b66\u751f\u6bd4\u4f8b\u4f4e\u4e8e 85% \u7684\u6982\u7387\u662f\u591a\u5c11\uff1f<\/strong><\/em><\/span><\/p>\n<p><strong><span style=\"color: #000000;\">\u7b2c\u4e00\u6b65\uff1a\u5efa\u7acb\u5e38\u6001\u3002<\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\">\u56de\u60f3\u4e00\u4e0b\uff0c\u5982\u679c\u201c\u6210\u529f\u201d\u548c\u201c\u5931\u8d25\u201d\u7684\u9884\u671f\u6570\u91cf\u90fd\u81f3\u5c11\u4e3a 10\uff0c\u5219\u6837\u672c\u6bd4\u4f8b\u7684\u62bd\u6837\u5206\u5e03\u8fd1\u4f3c\u6b63\u6001\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5728\u672c\u4f8b\u4e2d\uff0c\u9884\u8ba1\u559c\u6b22\u62ab\u8428\u7684\u5b66\u751f\u4eba\u6570\u4e3a 87% * 200 \u540d\u5b66\u751f = 174 \u540d\u5b66\u751f\u3002\u9884\u8ba1\u4e0d\u559c\u6b22\u62ab\u8428\u7684\u5b66\u751f\u4eba\u6570\u4e3a 13% * 200 \u540d\u5b66\u751f = 26 \u540d\u5b66\u751f\u3002\u7531\u4e8e\u8fd9\u4e24\u4e2a\u6570\u5b57\u90fd\u81f3\u5c11\u4e3a 10\uff0c\u6211\u4eec\u53ef\u4ee5\u5047\u8bbe\u559c\u6b22\u62ab\u8428\u7684\u5b66\u751f\u6bd4\u4f8b\u7684\u62bd\u6837\u5206\u5e03\u8fd1\u4f3c\u6b63\u6001\u5206\u5e03\u3002<\/span><\/p>\n<p><strong><span style=\"color: #000000;\">\u6b65\u9aa4 2\uff1a\u6c42\u62bd\u6837\u5206\u5e03\u7684\u5747\u503c\u548c\u6807\u51c6\u5dee\u3002<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"> <span style=\"color: #000000;\"><strong><sub>\u00b5p<\/sub><\/strong> = P<\/span><\/p>\n<p style=\"text-align: left;\"> <span style=\"color: #000000;\"><strong>\u03c3 <sub>p<\/sub><\/strong> = \u221a <span style=\"border-top: 1px solid black;\">(P)(1-P) \/ n<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong><sub>\u5faep<\/sub><\/strong> = <strong>0.87<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u03c3 <sub>p<\/sub><\/strong> = \u221a <span style=\"border-top: 1px solid black;\">(0.87)(1-0.87) \/ 200<\/span> = <strong>0.024<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u6b65\u9aa4 3\uff1a<\/strong><strong>\u4f7f\u7528<a href=\"https:\/\/statorials.org\/cn\/\u5feb\u901f\u6b63\u6001\u7d2f\u79ef\u5206\u5e03\u51fd\u6570\u8ba1\u7b97\u5668\/\" target=\"_blank\" rel=\"noopener noreferrer\">Z \u5206\u6570\u9762\u79ef\u8ba1\u7b97\u5668<\/a>\u786e\u5b9a\u559c\u6b22\u62ab\u8428\u7684\u5b66\u751f\u6bd4\u4f8b\u4f4e\u4e8e 85% \u7684\u6982\u7387\u3002<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u5c06\u4ee5\u4e0b\u6570\u5b57\u8f93\u5165<a href=\"https:\/\/statorials.org\/cn\/\u5feb\u901f\u6b63\u6001\u7d2f\u79ef\u5206\u5e03\u51fd\u6570\u8ba1\u7b97\u5668\/\" target=\"_blank\" rel=\"noopener noreferrer\">Z \u5206\u6570\u9762\u79ef\u8ba1\u7b97\u5668\u3002<\/a>\u60a8\u53ef\u4ee5\u5c06\u201c\u539f\u59cb\u5206\u6570 2\u201d\u7559\u7a7a\uff0c\u56e0\u4e3a\u6211\u4eec\u5728\u6b64\u793a\u4f8b\u4e2d\u53ea\u627e\u5230\u4e00\u4e2a\u6570\u5b57\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-1079 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/zcalc2.png\" sizes=\"auto, \" srcset=\"\" alt=\"\" width=\"400\" height=\"636\"><\/p>\n<p><span style=\"color: #000000;\">\u7531\u4e8e\u6211\u4eec\u60f3\u77e5\u9053\u559c\u6b22\u62ab\u8428\u7684\u5b66\u751f\u6bd4\u4f8b\u4f4e\u4e8e 85% \u7684\u6982\u7387\uff0c\u56e0\u6b64\u6211\u4eec\u5bf9 0.85<em>\u5de6\u4fa7<\/em>\u7684\u533a\u57df\u611f\u5174\u8da3\u3002\u8ba1\u7b97\u5668\u544a\u8bc9\u6211\u4eec\u8fd9\u4e2a\u6982\u7387\u662f<strong>0.20233<\/strong> \u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60f3\u8c61\u4e00\u4e0b\uff0c\u6709 10,000 \u53ea\u6d77\u8c5a\uff0c\u5176\u4e2d\u4e00\u53ea\u6d77\u8c5a\u7684\u5e73\u5747\u4f53\u91cd\u4e3a 300 \u78c5\u3002 \u5982\u679c\u6211\u4eec\u4ece\u8fd9\u4e2a\u79cd\u7fa4\u4e2d\u968f\u673a\u62bd\u53d6 50 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-415","post","type-post","status-publish","format-standard","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4ec0\u4e48\u662f\u62bd\u6837\u5206\u5e03\uff1f - \u7edf\u8ba1<\/title>\n<meta name=\"description\" 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