- \n
- \u603b\u4f53\u4fe1\u606f<\/strong>\u6307\u7684\u662f\u603b\u4f53\u5206\u5e03\u6216\u8005\u603b\u4f53\u5206\u5e03\u6240\u5c5e\u5206\u5e03\u65cf\u7ed9\u6211\u4eec\u7684\u4fe1\u606f\uff1b<\/li>\n
- \u6837\u672c\u4fe1\u606f<\/strong>\u6307\u603b\u4f53\u62bd\u53d6\u7684\u6837\u672c\u63d0\u4f9b\u7ed9\u6211\u4eec\u7684\u4fe1\u606f\uff1b<\/li>\n
- \u5148\u9a8c\u4fe1\u606f<\/strong>\u6307\u62bd\u6837\u4e4b\u524d\u6709\u5173\u7edf\u8ba1\u95ee\u9898\u7684\u4e00\u4e9b\u4fe1\u606f\uff0c\u4e00\u822c\u6765\u8bf4\u5148\u9a8c\u4fe1\u606f\u4e3b\u8981\u6765\u6e90\u4e8e\u7ecf\u9a8c\u548c\u5386\u53f2\u8d44\u6599\u3002<\/li>\n<\/ol>\n
\u4e3e\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u4e00\u4e2a\u968f\u673a\u53d8\u91cf $X \\sim N(\\mu,\\sigma^2)$ (\u603b\u4f53\u5206\u5e03\uff0c\u603b\u4f53\u4fe1\u606f<\/strong>)\uff0c\u4ece\u4e2d\u62bd\u53d6 100 \u4e2a\u6837\u672c\u6570\u636e (\u6837\u672c\u4fe1\u606f<\/strong>)\uff0c\u5047\u5982\u6211\u4eec\u77e5\u9053\u8fd9\u4e2a\u968f\u673a\u53d8\u91cf\u8868\u793a\u7684\u662f\u7a81\u53d8\u4f4d\u70b9\u5bf9\u67d0\u4e2a\u6027\u72b6\u7684\u6548\u5e94\u503c(\u57fa\u56e0\u7ec4\u4e2d\u5927\u90e8\u5206\u7a81\u53d8\u7684\u6548\u5e94\u503c\u4e3a0)\uff0c\u90a3\u4e48 $\\mu$ \u5f88\u6709\u53ef\u80fd\u4e3a0(\u5148\u9a8c\u4fe1\u606f<\/strong>).<\/p>\n
\u5148\u9a8c\u4fe1\u606f\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u6bd4\u5982\u8bf4\u5728\u5973\u58eb\u54c1\u8336\u90a3\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6ca1\u6709\u54c1\u8336\u80fd\u529b\u53ea\u80fd\u9760\u731c\uff0c\u51c6\u786e\u7387\u4e3a 0.5\uff0c\u8fd9\u4e2a\u5c31\u662f\u4e00\u4e2a\u5148\u9a8c\u4fe1\u606f\u3002<\/p>\n
\u5dee\u5f021<\/strong>\uff1a \u57fa\u4e8e\u603b\u4f53\u4fe1\u606f\u3001\u6837\u672c\u4fe1\u606f\u548c\u5148\u9a8c\u4fe1\u606f\u8fdb\u884c\u7edf\u8ba1\u63a8\u65ad\u88ab\u79f0\u4e3a\u8d1d\u53f6\u65af\u7edf\u8ba1\u5b66\u3002\u5b83\u4e0e\u7ecf\u5178\u7edf\u8ba1\u5b66\u7684\u4e3b\u8981\u5dee\u5f02\u5728\u4e8e\u662f\u5426\u5229\u7528\u5148\u9a8c\u4fe1\u606f\u3002<\/p>\n
\u5dee\u5f022<\/strong>\uff1a\u8d1d\u53f6\u65af\u5b66\u6d3e\u7684\u6700\u57fa\u672c\u7684\u89c2\u70b9\u662f\uff1a\u4efb\u4e00\u672a\u77e5\u91cf $\\theta$ \u90fd\u53ef\u770b\u4f5c\u4e00\u4e2a\u968f\u673a\u53d8\u91cf\uff0c\u5e94\u7528\u4e00\u4e2a\u6982\u7387\u5206\u5e03\u53bb\u63cf\u8ff0\u5bf9 $\\theta$ \u7684\u672a\u77e5\u72b6\u51b5\uff1b\u800c\u7edf\u8ba1\u5b66\u6d3e\u5047\u8bbe\u672a\u77e5\u91cf $\\theta$ \u4e3a\u4e00\u4e2a\u56fa\u5b9a\u7684\u503c\u3002\u6bd4\u5982\u4e0a\u9762\u7684\u6b63\u6001\u5206\u5e03\u4f8b\u5b50\uff0c\u8d1d\u53f6\u65af\u5b66\u6d3e\u53ef\u80fd\u628a $\\mu$ \u770b\u4f5c\u670d\u4ece\u67d0\u4e2a\u5206\u5e03\u7684\u968f\u673a\u53d8\u91cf\uff0c\u800c\u7edf\u8ba1\u5b66\u6d3e\u4ec5\u8ba4\u4e3a\u5b83\u662f\u4e00\u4e2a\u786e\u5b9a\u4f46\u672a\u77e5\u7684\u503c\u3002<\/p>\n
\u8fd9\u91cc\u7684\u5185\u5bb9\u90fd\u662f\u4e66\u4e0a\u7684\uff0c\u6211\u53ea\u662f\u8d1f\u8d23\u7cbe\u7b80\u63d0\u70bc\u4e86\u4e00\u4e0b\uff0c\u6211\u89c9\u5f97\u77e5\u4e4e\u4e0a\u7684\u8fd9\u7bc7\u6587\u7ae0\u5199\u7684\u5f88\u597d\uff1a\u8d1d\u53f6\u65af\u5b66\u6d3e\u4e0e\u9891\u7387\u5b66\u6d3e\u6709\u4f55\u4e0d\u540c\uff1f- \u4e1c\u54e5\u8d77\u98de\u7684\u56de\u7b54 - \u77e5\u4e4e https:\/\/www.zhihu.com\/question\/20587681\/answer\/1924709695<\/a><\/p>\n
\u4e0b\u9762\u6709\u4e00\u4e2a\u8bc4\u8bba\u5f88\u6709\u610f\u601d\uff1a<\/p>\n
![\"\u4e00\u4e2a\u4f8b\u5b50\"](\"https:\/\/rrt01.cn\/wp-content\/uploads\/2024\/08\/image-20230212153654041.png\")
<\/p>\n\u6211\u7684\u7406\u89e3\u662f\uff1a\u968f\u673a\u662f\u4ec0\u4e48\uff1f\u53ef\u80fd\u662f\u4e00\u4e2a\u786e\u5b9a\u7684\u603b\u4f53\u7531\u4e8e\u62bd\u6837\u8bef\u5dee\u7b49\u968f\u673a\u8bef\u5dee\u5f15\u8d77\u7684\uff1b\u4e5f\u53ef\u80fd\u8fd9\u4e2a\u603b\u4f53\u672c\u8eab\u5c31\u662f\u53d8\u5316\u7684\uff0c\u518d\u52a0\u4e0a\u968f\u673a\u8bef\u5dee\u3002<\/p>\n
\u8d1d\u53f6\u65af\u5b66\u6d3e\u76f8\u5f53\u4e8e\u8003\u8651\u4e86\u4e24\u5c42\uff0c\u603b\u4f53\u53d8\u5316+\u968f\u673a\u8bef\u5dee\uff1b<\/p>\n
\u7edf\u8ba1\u5b66\u6d3e\u53ea\u8003\u8651\u4e86\u968f\u673a\u8bef\u5dee\uff1b<\/p>\n","protected":false},"excerpt":{"rendered":"
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- \u6837\u672c\u4fe1\u606f<\/strong>\u6307\u603b\u4f53\u62bd\u53d6\u7684\u6837\u672c\u63d0\u4f9b\u7ed9\u6211\u4eec\u7684\u4fe1\u606f\uff1b<\/li>\n