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\u53c2\u8003\u8d44\u6599 ","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Explains why the odds of a shared birthday exceed 50% with just 23 people, correcting the intuition about comparisons using exact pair calculations.","_geoff_meta_description_zh":"\u9610\u91ca\u4e3a\u4f5523\u4e2a\u4eba\u65f6\u81f3\u5c11\u4e24\u4eba\u540c\u751f\u65e5\u6982\u7387\u8d85\u8fc7\u4e00\u534a\uff0c\u901a\u8fc7\u7cbe\u786e\u8ba1\u7b97\u5e76\u6307\u51fa\u76f4\u89c9\u5ffd\u89c6\u914d\u5bf9\u6570\u91cf\u968f\u4eba\u6570\u5e73\u65b9\u589e\u957f\u3002","_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[787297218],"tags":[787297284,787297288,787297285,787297289,787297286,787297287],"class_list":["post-17543","post","type-post","status-publish","format-standard","hentry","category-daily-maths-physics-chemistry","tag-birthday-problem","tag-combinatorics","tag-birthday-problem-zh","tag-combinatorics-zh","tag-probability","tag-probability-zh",""],"translatepress_titles":{"en_AU":"Why 23 People Are Enough for a Shared Birthday","zh_CN":"\u4e3a\u4ec0\u4e4823\u4e2a\u4eba\u4e2d\u5c31\u5f88\u53ef\u80fd\u6709\u4eba\u540c\u751f\u65e5"},"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1ar9H-4yX","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/17543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/users\/17897162"}],"replies":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/comments?post=17543"}],"version-history":[{"count":0,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/17543\/revisions"}],"wp:attachment":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/media?parent=17543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/categories?post=17543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/tags?post=17543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Purdue University, Birthday and Matching Problems
https:\/\/www.stat.purdue.edu\/~mlevins\/docs\/stat516\/lecture_notes\/Lecture2a_STAT516.pdf<\/a>
University of Cambridge, Case Studies for CST IA Probability
https:\/\/www.cl.cam.ac.uk\/teaching\/1112\/Probabilty\/Cases.pdf<\/a><\/p>\n