{"id":187270,"date":"2020-11-01T18:34:50","date_gmt":"2020-11-01T10:34:50","guid":{"rendered":"http:\/\/4563.org\/?p=187270"},"modified":"2020-11-09T14:34:22","modified_gmt":"2020-11-09T06:34:22","slug":"%e8%af%b7%e6%95%99%e4%b8%80%e4%b8%aa%e5%a4%8d%e6%9d%82%e7%82%b9%e7%9a%84%e6%8a%9b%e7%a1%ac%e5%b8%81%e7%9a%84%e6%a6%82%e7%8e%87%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=187270","title":{"rendered":"\u8bf7\u6559\u4e00\u4e2a\u590d\u6742\u70b9\u7684\u629b\u786c\u5e01\u7684\u6982\u7387\u95ee\u9898"},"content":{"rendered":"
\n
\n
\n

\u8bf7\u6559\u4e00\u4e2a\u590d\u6742\u70b9\u7684\u629b\u786c\u5e01\u7684\u6982\u7387\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : ericwood067 <\/span> <\/i> 4<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u5047\u8bbe\u6709\u4e00\u4e2a\u786c\u5e01\uff0c\u6b63\u53cd\u4e24\u9762\u671d\u4e0a\u7684\u6982\u7387\u90fd\u662f 0.5 \u3002<\/p>\n

1 \u3001\u5982\u679c\u6211\u628a\u8fd9\u4e2a\u786c\u5e01\u629b 500 \u6b21\uff0c\u51fa\u73b0\u8fde\u7eed 25 \u6b21\u6b63\u9762\u671d\u4e0a\u7684\u6982\u7387\u662f\u591a\u5c11\uff1f\u51fa\u73b0\u8fde\u7eed 25 \u6b21\u6b63\u9762\u6216\u8005\u53cd\u9762\u671d\u4e0a\u7684\u6982\u7387\u662f\u591a\u5c11\uff1f
2 \u3001\u8fd8\u662f\u629b\u786c\u5e01 500 \u6b21\uff0c\u5728\u629b 450 \u6b21\u4ee5\u540e\u518d\u51fa\u73b0\u8fde\u7eed 25 \u6b21\u6b63\u9762\u671d\u4e0a\u7684\u6982\u7387\u662f\u591a\u5c11\uff1f<\/p>\n

3 \u3001\u5b9e\u9a8c 1 \u4ee5\u53ca\u5b9e\u9a8c 2\uff0c\u6211\u5206\u522b\u72ec\u7acb\u91cd\u590d 50 \u6b21\uff0c\u51fa\u73b0 2 \u6b21\u7684\u6982\u7387\u5404\u662f\u591a\u5c11\uff1f<\/p>\n

\u6628\u665a\u81ea\u5df1\u7814\u7a76\u4e86\u4e00\u4e0b\uff0c\u53d1\u73b0\u5927\u5b66\u5b66\u7684\u6982\u7387\u8bba\u90fd\u8fd8\u7ed9\u8001\u5e08\u4e86\uff0c\u9ebb\u70e6\u6570\u5b66\u597d\u7684\u540c\u5b66\u6307\u5bfc\u4e00\u4e0b\u3002 <\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (13<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : renmu123 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u72ec\u7acb\u4e8b\u4ef6\u4e0a\u4e00\u6b21\u629b\u786c\u5e01\u548c\u8fd9\u4e00\u6b21\u629b\u786c\u5e01\u6ca1\u4ec0\u4e48\u8054\u7cfb\u6240\u4ee5\u662f\uff0c0.5^25 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jdhao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @renmu123 \u600e\u4e48\u53ef\u80fd\u8fd9\u4e48\u7b97\u3002\u5b66\u8fc7\u6982\u7387\u8bba\u548c\u6392\u5217\u7ec4\u5408\u5417\u3002\u5efa\u8bae\u91cd\u5b66 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : renmu123 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jdhao #2 \u5efa\u8bae\u91cd\u5b66\u72ec\u7acb\u4e8b\u4ef6 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jdhao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @renmu123 \u4f60\u5c31\u4ece\u6700\u7b80\u5355\u7684\u4f8b\u5b50\u51fa\u53d1\uff0c\u4e09\u4e2a\u786c\u5e01\uff0c\u51fa\u73b0\u8fde\u7eed\u4e24\u4e2a\u6b63\u9762\u8ba8\u8bba\u3002\u4e09\u4e2a\u786c\u5e01\uff0c\u603b\u5171 8 \u79cd\u53ef\u80fd\uff0c\u51fa\u73b0\u8fde\u7eed\u4e24\u4e2a\u786c\u5e01\u7684\u60c5\u51b5\uff0c\u53ea\u6709\u4e09\u4e2a\uff0c3\/8 \u6982\u7387\u3002<\/p>\n

    \u6309\u7167\u4f60\u7684\u903b\u8f91\uff0c\u8fd9\u6982\u7387\u662f 1\/4 \u3002\u6570\u5b66\u6ca1\u5b66\u597d\u4e0d\u662f\u4f60\u7684\u9519\uff0c\u522b\u5728\u8fd9\u91cc\u80e1\u8bf4\u516b\u9053\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mxT52CRuqR6o5 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6162\u6162\u7b97\u5c31\u597d\u4e86
    \u6295 25 \u6b21\uff0c\u8fde\u51fa 25 \u6b21\u6b63\u7684\u6982\u7387\u4e3a 0.5^25
    \u6295 26 \u6b21\uff0c\u8fde\u51fa 25 \u6b21\u6b63\u7684\u6982\u7387\u4e3a 0.5^25+0.5*0.5^25
    … <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mxT52CRuqR6o5 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    https:\/\/www.zhihu.com\/question\/46388875
    \u76f4\u63a5\u627e\u7b54\u6848\u5427\uff0c\u597d\u50cf\u6709\u70b9\u96be\u7b97 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : renmu123 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jdhao #4 \u6211\u60f3\u4e86\u60f3\uff0c\u662f\u6211\u9519\u4e86\uff0c\u9898\u76ee\u6709\u4e00\u4e2a\u603b\u6570\u7684\u9650\u5236\uff0c\u6211\u7406\u89e3\u4e86\u6210\u4e86\u8fde\u7eed 10 \u6b21\u629b\u786c\u5e01\u6b63\u9762\u7684\u6982\u7387\u3002\u90a3\u8fd9\u6837\u8fd9\u9053\u9898\u7b97\u8d77\u6765\u8fd8\u633a\u9ebb\u70e6\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Or2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ece\u7b2c\u4e00\u4e2a\u51fa\u73b0\u6b63\u9762\u5f00\u59cb\uff0c\u8fde\u7740 24 \u4e2a\u90fd\u6b63\u9762\u3002\u6ee1\u8db3\u8fd9\u6837\u7684\u4f4d\u7f6e\u53c8 475 \u4e2a\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7b2c\u4e09\u9898, \u4e00\u65e6\u6709\u4e86 P, \u90a3\u4e48 50 \u6b21\u4e2d\u51fa\u73b0\u4e24\u6b21\u7684\u6982\u7387\u662f \u4ece 50 \u4e2d\u9009\u4e24\u6b21, C(50, 2) \u4e58\u4ee5\u4e24\u6b21\u4e3a P \u7684\u6982\u7387, \u4e58\u4ee5\u4e24\u6b21\u4e0d\u4e3a P \u7684\u6982\u7387. C(50, 2) * P^2 * (1-P)^48 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ericwood067 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @mxT52CRuqR6o5 \u8fd9\u4e2a\u6587\u7ae0\u5f88\u8d5e\uff0c\u91cc\u9762\u90a3\u4e2a\u9012\u5f52\u7684\u7b97\u6cd5\u5bf9\u7a0b\u5e8f\u5458\u5f88\u53cb\u597d\uff0c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : SuperManNoPain <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u611f\u89c9\u5f88\u50cf leetcode \u91cc \u627e\u51fa\u6570\u7ec4\u4e2d\u6240\u6709\u7684\u5b50\u96c6\u7684\u611f\u89c9, \u7136\u540e\u518d\u6839\u636e\u6761\u4ef6\u628a\u5b50\u96c6\u53bb\u6389\u7b97\u6982\u7387\u5c31\u597d\u4e86, \u5c31\u8fd9\u4e48\u4e00\u8bf4\u4e0d\u77e5\u9053\u5bf9\u4e0d\u5bf9 \"\u8bf7\u6559\u4e00\u4e2a\u590d\u6742\u70b9\u7684\u629b\u786c\u5e01\u7684\u6982\u7387\u95ee\u9898\" <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ericwood067 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @SuperManNoPain \u6211\u611f\u89c9\u4f60\u8fd9\u4e48\u8bf4\u4e5f\u5bf9\uff0c\u6bcf\u4e2a\u629b\u786c\u5e01 500 \u6b21\u7684\u7ed3\u679c\u90fd\u662f\u4e00\u4e2a\u786e\u5b9a\u7684\u96c6\u5408\uff0c\u6bcf\u4e00\u4e2a\u8fd9\u6837\u7684\u96c6\u5408\u5c31\u662f\u6570\u7ec4\u91cc\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u7b97\u51fa\u6240\u6709\u8fd9\u4e9b\u96c6\u5408\u603b\u6570\uff0c\u7136\u540e\u628a\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5b50\u96c6\u53bb\u6389\uff0c\u7b97\u6982\u7387\u4e5f\u53ef\u4ee5\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : necomancer <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    3 \u548c 1 \u5176\u5b9e\u5f88\u7c7b\u4f3c\uff0c\u6bd4\u5982\u4f60\u77e5\u9053\u4e86 1 \u7684\u6982\u7387 p\uff0c\u90a3\u4e48 2C50 p^2(1-p)^48 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u8bf7\u6559\u4e00\u4e2a\u590d\u6742\u70b9\u7684\u629b\u786c\u5e01\u7684\u6982\u7387\u95ee\u9898 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/187270"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=187270"}],"version-history":[{"count":1,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/187270\/revisions"}],"predecessor-version":[{"id":187272,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/187270\/revisions\/187272"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=187270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=187270"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=187270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}