AI \u8d1d\u53f6\u65af\u5b9a\u7406<\/h1>\n<\/p><\/div>\n

\u8d1d\u53f6\u65af\u5b9a\u7406: <\/h2>\n

\n \u8d1d\u53f6\u65af\u5b9a\u7406\u4e5f\u88ab\u79f0\u4e3a\u8d1d\u53f6\u65af\u5b9a\u5f8b\uff0c\u8d1d\u53f6\u65af\u5b9a\u5f8b\u6216\u8d1d\u53f6\u65af\u63a8\u7406\uff0c\u5b83\u786e\u5b9a\u5177\u6709\u4e0d\u786e\u5b9a\u77e5\u8bc6\u7684\u4e8b\u4ef6\u7684\u6982\u7387\u3002\n <\/div>\n

\n \u5728\u6982\u7387\u8bba\u4e2d\uff0c\u5b83\u5c06\u6761\u4ef6\u6982\u7387\u548c\u8fb9\u9645\u6982\u7387\u8054\u7cfb\u8d77\u6765\u4e24\u4e2a\u968f\u673a\u4e8b\u4ef6\u3002\n <\/div>\n

\n \u8d1d\u53f6\u65af\u5b9a\u7406\u4ee5\u82f1\u56fd\u6570\u5b66\u5bb6\u6258\u9a6c\u65af\u8d1d\u53f6\u65af\u547d\u540d\u3002 \u8d1d\u53f6\u65af\u63a8\u65ad\u662f\u8d1d\u53f6\u65af\u5b9a\u7406\u7684\u5e94\u7528\uff0c\u5b83\u662f\u8d1d\u53f6\u65af\u7edf\u8ba1\u7684\u57fa\u7840\u3002\n <\/div>\n

\n \u8fd9\u662f\u4e00\u79cd\u57fa\u4e8eP(A | B)\u77e5\u8bc6\u6765\u8ba1\u7b97P(B | A)\u503c\u7684\u65b9\u6cd5\u3002\n <\/div>\n

\n \u8d1d\u53f6\u65af\u5b9a\u7406\u5141\u8bb8\u901a\u8fc7\u89c2\u5bdf\u73b0\u5b9e\u4e16\u754c\u7684\u65b0\u4fe1\u606f\u6765\u66f4\u65b0\u4e8b\u4ef6\u7684\u6982\u7387\u9884\u6d4b\u3002\n <\/div>\n

\n \u793a\u4f8b: \u5982\u679c\u764c\u75c7\u4e0e\u4e00\u4e2a\u4eba\u7684\u5e74\u9f84\u76f8\u7b26\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u8d1d\u53f6\u65af\u5b9a\u7406\uff0c\u501f\u52a9\u5e74\u9f84\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u51c6\u786e\u5730\u786e\u5b9a\u764c\u75c7\u7684\u53ef\u80fd\u6027\u3002\n <\/div>\n

\n \u8d1d\u53f6\u65af\u5b9a\u7406\u53ef\u4ee5\u4f7f\u7528\u4e58\u79ef\u89c4\u5219\u548c\u5df2\u77e5\u4e8b\u4ef6B\u7684\u4e8b\u4ef6A\u7684\u6761\u4ef6\u6982\u7387\u6765\u63a8\u5bfc:\n <\/div>\n

\n \u6839\u636e\u4e58\u79ef\u89c4\u5219\uff0c\u6211\u4eec\u53ef\u4ee5\u5199:\n <\/div>\n

P(A \u22c0 B)= P(A|B) P(B) or  <\/pre>\n<\/code>\n  <\/div>\n
\n    \u7c7b\u4f3c\u5730\uff0c\u4e8b\u4ef6B\u4e0e\u5df2\u77e5\u4e8b\u4ef6A\u7684\u6982\u7387:\n  <\/div>\n\nP(A \u22c0 B)= P(B|A) P(A)  <\/pre>\n<\/code>\n  <\/div>\n
\n    \u5728\u4e24\u4e2a\u7b49\u5f0f\u7684\u53f3\u4fa7\u90fd\u5c06\u5f97\u5230:\n  <\/div>\n   <\/p>\n
\n    \u4e0a\u9762\u7684\u7b49\u5f0f(a)\u88ab\u79f0\u4e3a\u8d1d\u53f6\u65af\u5b9a\u5f8b\u6216\u8d1d\u53f6\u65af\u5b9a\u7406\u3002\u6b64\u7b49\u5f0f\u662f\u5927\u591a\u6570\u73b0\u4ee3AI\u7cfb\u7edf\u4e2d\u7528\u4e8e\u6982\u7387\u63a8\u65ad\u7684\u57fa\u7840\u3002\n  <\/div>\n\n    \u5b83\u663e\u793a\u4e86\u8054\u5408\u6982\u7387\u548c\u6761\u4ef6\u6982\u7387\u4e4b\u95f4\u7684\u7b80\u5355\u5173\u7cfb\u3002\u5728\u8fd9\u91cc\uff0c\n  <\/div>\n\n    P(A | B)\u88ab\u79f0\u4e3a\u540e\u9a8c\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u8ba1\u7b97\uff0c\u5f53\u6211\u4eec\u51fa\u73b0\u8bc1\u636eB\u65f6\uff0c\u5b83\u5c06\u88ab\u89e3\u8bfb\u4e3a\u5047\u8bbeA\u7684\u6982\u7387\u3002\n  <\/div>\n\n    P(B | A)\u79f0\u4e3a\u53ef\u80fd\u6027\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u6211\u4eec\u8ba4\u4e3a\u5047\u8bbe\u662f\u6b63\u786e\u7684\uff0c\u7136\u540e\u6211\u4eec\u8ba1\u7b97\u51fa\u8bc1\u636e\u7684\u6982\u7387\u3002\n  <\/div>\n\n    P(A)\u79f0\u4e3a\u5148\u9a8c\u6982\u7387\uff0c\u5728\u8003\u8651\u8bc1\u636e\u4e4b\u524d\u7684\u5047\u8bbe\u6982\u7387\n  <\/div>\n\n    P(B)\u79f0\u4e3a\u8fb9\u9645\u6982\u7387\uff0c\u5373\u8bc1\u636e\u7684\u7eaf\u6982\u7387\u3002\n  <\/div>\n\n    \u901a\u5e38\uff0c\u5728\u7b49\u5f0f(a)\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5199\u6210P(B)= P(A)* P(B | Ai)\uff0c\u56e0\u6b64\u8d1d\u53f6\u65af\u89c4\u5219\u53ef\u4ee5\u5199\u4e3a:\n  <\/div>\n   <\/p>\n
\n    \u5176\u4e2dA
\n   _{1 <\/sub>\uff0cA
\n   _{2 <\/sub>\uff0cA
\n   _{3 <\/sub>\uff0c........\uff0cA
\n   _{n <\/sub>\u662f\u4e00\u7ec4\u4e92\u65a5\u4e14\u8be6\u5c3d\u7684\u4e8b\u4ef6\u3002\n  <\/div>\n\u5e94\u7528\u8d1d\u53f6\u65af\u89c4\u5219: <\/h2>\n\n    \u8d1d\u53f6\u65af\u89c4\u5219\u5141\u8bb8\u6211\u4eec\u6839\u636eP(A | B)\u8ba1\u7b97\u5355\u4e2a\u9879P(B | A)\uff0c P( B )\u548cP(A)\u3002\u5728\u6211\u4eec\u5f88\u6709\u53ef\u80fd\u8981\u786e\u5b9a\u8fd9\u4e09\u4e2a\u672f\u8bed\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u975e\u5e38\u6709\u7528\u3002\u5047\u8bbe\u6211\u4eec\u8981\u611f\u77e5\u67d0\u4e2a\u672a\u77e5\u539f\u56e0\u7684\u5f71\u54cd\uff0c\u5e76\u8981\u8ba1\u7b97\u8be5\u539f\u56e0\uff0c\u90a3\u4e48\u8d1d\u53f6\u65af\u89c4\u5219\u53d8\u4e3a:\n  <\/div>\n   <\/p>\n
\n    \u793a\u4f8b1:\n  <\/div>\n\n    \u95ee\u9898: \u60a3\u8005\u60a3\u6709\u9888\u90e8\u50f5\u786c\u7684\u8111\u819c\u708e\u7684\u53ef\u80fd\u6027\u662f\u591a\u5c11\uff1f\n  <\/div>\n\n    \u63d0\u4f9b\u6570\u636e:\n  <\/div>\n\n    \u533b\u751f\u77e5\u9053\u75be\u75c5\u6027\u8111\u819c\u708e\u4f1a\u5bfc\u81f4\u60a3\u8005\u9888\u90e8\u50f5\u786c\uff0c\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\u572880\uff05\u65f6\u95f4\u3002\u4ed6\u8fd8\u77e5\u9053\u5176\u4ed6\u4e00\u4e9b\u4e8b\u5b9e\uff0c\u5177\u4f53\u5982\u4e0b:\n  <\/div>\n  \u60a3\u8005\u60a3\u6709\u8111\u819c\u708e\u75be\u75c5\u7684\u5df2\u77e5\u6982\u7387\u4e3a1\/30,000\u3002<\/span>
\n  \u60a3\u8005\u9888\u90e8\u50f5\u786c\u7684\u5df2\u77e5\u6982\u7387\u4e3a2\uff05\u3002<\/span> <\/p>\n
\n    \u8ba9a\u662f\u60a3\u8005\u9888\u90e8\u50f5\u786c\u7684\u4e3b\u5f20\uff0cb\u662f\u60a3\u8005\u8111\u819c\u708e\u7684\u4e3b\u5f20\u3002 \uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u51fa\u4ee5\u4e0b\u5185\u5bb9:\n  <\/div>\n\n    P(a | b)= 0.8\n  <\/div>\n\n    P(b)= 1\/30000\n  <\/div>\n\n    P(a) = .02\n  <\/div>\n   <\/p>\n
\n    \u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5047\u8bbe750\u540d\u60a3\u8005\u4e2d\u67091\u540d\u60a3\u8005\u6709\u9888\u90e8\u50f5\u786c\u7684\u8111\u819c\u708e\u75be\u75c5\u3002\n  <\/div>\n\n    \u793a\u4f8b2:\n  <\/div>\n\n    \u95ee\u9898: \u4ece\u6807\u51c6\u6251\u514b\u724c\u4e2d\u62bd\u51fa\u4e00\u5f20\u7eb8\u724c\u3002\u8be5\u724c\u4e3a\u738b\u7684\u6982\u7387\u4e3a4\/52\uff0c\u7136\u540e\u8ba1\u7b97\u540e\u9a8c\u6982\u7387P(King | Face)\uff0c\u8fd9\u8868\u793a\u62bd\u5956\u9762\u5361\u4e3a\u738b\u724c\u3002\n  <\/div>\n\n    \u89e3\u51b3\u65b9\u6848:\n  <\/div>\n   <\/p>\n
\n    P(king): \u4e00\u5f20\u724c\u4e3a\u738b\u7684\u6982\u7387= 4\/52 = 1\/13\n  <\/div>\n\n    P(face): \u4e00\u5f20\u724c\u4e3a\u4eba\u7684\u6982\u7387= 3\/13\n  <\/div>\n\n    P(Face | King): \u5f53\u6211\u4eec\u5047\u8bbe\u5b83\u662f\u56fd\u738b= 1\u65f6\uff0c\u9762\u5361\u7684\u6982\u7387\n  <\/div>\n\n    \u5c06\u6240\u6709\u503c\u4ee3\u5165\u65b9\u7a0b\u5f0f(i)\uff0c\u6211\u4eec\u5c06\u5f97\u5230:\n  <\/div>\n   <\/p>\n
\u8d1d\u53f6\u65af\u5b9a\u7406\u5728\u4eba\u5de5\u667a\u80fd\u4e2d\u7684\u5e94\u7528: <\/h2>\n\n    \u4ee5\u4e0b\u662f\u8d1d\u53f6\u65af\u5b9a\u7406\u7684\u4e00\u4e9b\u5e94\u7528:\n  <\/div>\n  \u7ed9\u51fa\u5df2\u7ecf\u6267\u884c\u7684\u6b65\u9aa4\u65f6\uff0c\u7528\u4e8e\u8ba1\u7b97\u673a\u5668\u4eba\u7684\u4e0b\u4e00\u6b65\u3002 <\/span>
\n  \u8d1d\u53f6\u65af\u5b9a\u7406\u6709\u52a9\u4e8e\u5929\u6c14\u9884\u62a5\u3002<\/span>
\n  \u5b83\u53ef\u4ee5\u89e3\u51b3Monty Hall\u95ee\u9898\u3002 <\/span> <\/p>\n
\n <\/body>
\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"AI \u8d1d\u53f6\u65af\u5b9a\u7406zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[139],"tags":[],"class_list":["post-1378","post","type-post","status-publish","format-standard","hentry","category-aijc"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/1378"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=1378"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/1378\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=1378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=1378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=1378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}}}}}