{"id":6794,"date":"2006-05-11T01:24:24","date_gmt":"2006-05-10T17:24:24","guid":{"rendered":"http:\/\/www.dadicdk.com\/2006\/05\/11\/%e6%80%9d%e8%80%83-51\/"},"modified":"2006-05-11T01:24:24","modified_gmt":"2006-05-10T17:24:24","slug":"%e6%80%9d%e8%80%83-51","status":"publish","type":"post","link":"http:\/\/www.dadicdk.com\/?p=6794","title":{"rendered":"\u4ec0\u4e48\u51b3\u5b9a\u4f60\u7684\u667a\u5546"},"content":{"rendered":"

\u51b3\u5b9a\u667a\u5546\u7684\u516b\u5bf9\u57fa\u56e0, \u5168\u90e8\u90fd\u662f\u4f4d\u4e8e X \u67d3\u8272\u4f53\u4e0a\u9762\uff0c
\u5728\u6b64\u5148\u590d\u4e60\u7537\u5973\u6027\u662f\u5982\u4f55\u6765\u7684?
\u7537\u751f\u662fXY\uff0cX (\u5375)\u662f\u6765\u81ea\u6bcd\u4eb2\uff0cY (\u7cbe\u5b50)\u662f\u6765\u81ea\u7236\u4eb2\u3002
\u5973\u751f\u662fXX\uff0cX (\u5375)\u662f\u6765\u81ea\u6bcd\u4eb2\uff0cX (\u7cbe\u5b50)\u662f\u6765\u81ea\u7236\u4eb2\u3002
\u6240\u4ee5\u751f\u7537\u751f\u5973\u90fd\u662f\u5148\u751f\u7684\u9519 \uff0c\u4e0d\u8981\u602a\u7f6a\u5988\u5988\u7684\u809a\u76ae\u4e0d\u4e89\u6c14!

\u8bf7\u6ce8\u610f:
\u7537\u751f\u662fXY\uff0c\u6240\u4ee5\u7537\u751f\u7684\u667a\u5546\u5168\u90e8\u90fd\u662f\u6765\u81ea\u6bcd\u4eb2\u7684\u9057\u4f20\uff0c
\u5973\u751f\u662fXX\uff0c\u6240\u4ee5\u5973\u751f\u7684\u667a\u5546\u662f\u7236\u4eb2\u8ddf\u6bcd\u4eb2\u5404\u6709\u4e00\u534a\u5f71\u54cd\u3002
\u56e0\u4e3a\u5973\u751f\u7684\u667a\u5546\u662f\u7236\u4eb2\u6bcd\u4eb2\u90fd\u6709\u5f71\u54cd\uff0c\u6240\u4ee5\u4f1a\u6709\u4e2d\u548c\u7684\u6548\u5e94\u3002

\u6240\u4ee5\u5973\u751f\u667a\u5546\u7684\u5206\u5e03\u4f1a\u5448\u73b0\u81ea\u7136\u5206\u5e03(normal distribution)\uff0c\u5c31\u662f\u5012\u949f\u72b6\uff0c\u4e2d\u95f4\u6700\u591a\uff0c\u4e24\u8fb9\u8f83\u5c11\u3002\u7136\u540e\u7537\u751f\u56e0\u4e3a\u662f\u5b8c\u5168\u53ea\u53d7\u4e00\u65b9\u5f71\u54cd\uff0c\u6240\u4ee5\u7537\u751f\u667a\u5546\u5206\u5e03\u4f1a\u5448\u73b0\u5728\u504f\u5411\u5728\u4e24\u4e2a\u6781\u7aef\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u7537\u751f\u5929\u624d\u6bd4\u8f83\u591a\uff0c\u4f46\u662f\u540c\u65f6\uff0c\u8822\u6750\u4e4b\u4e2d\u4e5f\u662f\u7537\u751f\u7279\u522b\u591a\u3002

\u8fd9\u4e2a\u6545\u4e8b\u544a\u8bc9\u6211\u4eec\u4ec0\u4e48\uff1f

1. \u300c\u4f60\u8981\u5224\u65ad\u4e00\u4e2a\u7537\u751f\u806a\u4e0d\u806a\u660e\uff0c\u770b\u4ed6\u5988\u5988\u5c31\u77e5\u9053\u4e86 \u53ef\u662f\uff0c\u4f60\u53c8\u8981\u600e\u4e48\u5224\u65ad\u4e00\u4e2a\u7537\u751f\u7684\u5988\u5988\u806a\u4e0d\u806a\u660e\uff1f……..\u60f3\u4e0d\u51fa \u7b80\u4fbf\u7684\u65b9\u6cd5…..
2. \u7136\u540e\u6211\u4eec\u7528\u673a\u7387\u6765\u7b97\uff1a
\u751f\u7537\u5b69\u7684\u673a\u7387= 1\/2\uff1b\u751f\u5973\u5b69\u7684\u673a\u7387=1\/2\u3002
\u751f\u7537\u5b69\u7684\u65f6\u5019\uff0c\u6bcd\u4eb2\u5bf9\u4e8e\u7537\u5b69\u667a\u5546\u7684\u5f71\u54cd\u529b = 1
\u751f\u5973\u5b69\u7684\u65f6\u5019\uff0c\u6bcd\u4eb2\u5bf9\u4e8e\u5973\u5b69\u667a\u5546\u7684\u5f71\u54cd\u529b = 1\/2
\u6240\u4ee5\u8bf4\u6bcd\u4eb2\u8ddf\u7236\u4eb2\u5bf9\u4e8e\u4e0b\u4e00\u4ee3\u667a\u5546\u7684\u5f71\u54cd\u529b(\u671f\u671b\u503c)\u7684\u6bd4\u4f8b\u662f
1*1\/2 + 1\/2*1\/2 : 0*1\/2 + 1\/2*1\/2 = 0.75 \uff1a 0.25 = 3 \uff1a 1 = \u6bcd\uff1a \u7236
\u6240\u4ee5\u8bf4\uff0c\u5982\u679c\u4f60\uff1a
1. \u662f\u7537\u751f\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u4f60\u5f88\u7b28\u7684\u8bdd\u3002\u4f60\u5343\u4e07\u8981\u5a36\u4e00\u4e2a\u806a\u660e\u7684\u5973\u751f\u6765\u3002\u8fd9\u6837\u4f60\u5c0f\u5b69\u7ffb\u76d8\u7684\u673a\u7387\u8fd8\u6709\u4e03\u6210\u4e94\uff0c\u4eba\u751f\u8fd8\u662f\u5145\u6ee1\u4e86\u5e0c\u671b\u3002
2. \u662f\u5973\u751f\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u4f60\u5f88\u7b28\u7684\u8bdd\uff0c\u56e0\u4e3a\uff0c\u4f60\u7ffb\u4eba\u5bb6\u76d8\u7684\u673a\u7387\u6709\u4e03\u6210\u4e94….. \u554a\uff0c\u6211\u4e0d\u80fd\u518d\u8bf4\u4e86………\u3002\u603b\u4e4b\uff0c\u6700\u8fd1\u5929\u6c14\u4e0d\u9519\uff0c\u51fa\u53bb\u8d70\u8d70\u3002
3. \u5f53\u4f60\u770b\u5230\u4e00\u4e2a\u7537\u751f\u5f88\u806a\u660e\u7684\u65f6\u5019\uff0c\u5219\uff0c\u4ed6\u7236\u4eb2\u5f88\u806a\u660e\u7684\u673a\u7387\u662f 0% (\u5e94\u8be5\u8bf4\uff0c\u5c31\u7b97\u4ed6\u7236\u4eb2\u5f88\u806a\u660e\uff0c\u4e5f\u5bf9\u4ed6\u662f\u6ca1\u6709\u5f71\u54cd\u7684)\uff0c\u53ef\u662f\u4ed6\u6bcd\u4eb2\u5f88\u806a\u660e\u7684\u673a\u7387\u662f100%\u3002
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\u603b\u4e4b\uff0c\u5f53\u4f60\u770b\u5230\u5f88\u7b28\u7684\u7537\u751f\u7684\u65f6\u5019\uff0c\u4e0d\u8981\u72b9\u8c6b\uff0c\u5ac1\u7ed9\u4ed6\u3002
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\u4e0a\u4e09\u4e2a\u7ed3\u8bba\u4e3a\uff1a\u4eba\u7c7b\u667a\u5546\u7406\u6027\u94c1\u86cb\u5b9a\u5f8b\u3002 \u6211\u91cd\u590d\u4e00\u6b21\uff1a
1. \u5224\u65ad\u7537\u751f\u667a\u5546\uff0c\u770b\u5988\u5988\u3002
2. \u7b28\u7537\u751f\u65e0\u8bba\u5982\u4f55\u4e5f\u8981\u5a36\u806a\u660e\u5973\u751f\u3002
3. \u5973\u751f\u4e0d\u8981\u5ac1\u806a\u660e\u7537\u751f\uff0c\u5e94\u8be5\u5ac1\u7ed9\u7b28\u7537\u751f
<\/P><\/p>\n","protected":false},"excerpt":{"rendered":"

\u51b3\u5b9a\u667a\u5546\u7684\u516b\u5bf9\u57fa\u56e0, \u5168\u90e8\u90fd\u662f\u4f4d\u4e8e X \u67d3\u8272\u4f53\u4e0a\u9762\uff0c \u5728\u6b64\u5148\u590d\u4e60\u7537\u5973\u6027\u662f\u5982\u4f55\u6765\u7684? & […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-6794","post","type-post","status-publish","format-standard","hentry","category-sk1"],"_links":{"self":[{"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=\/wp\/v2\/posts\/6794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6794"}],"version-history":[{"count":0,"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=\/wp\/v2\/posts\/6794\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6794"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dadicdk.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}