{"id":168,"date":"2016-08-13T17:10:50","date_gmt":"2016-08-13T21:40:50","guid":{"rendered":"http:\/\/www.blogs.euni.org\/?p=168"},"modified":"2016-08-13T17:10:50","modified_gmt":"2016-08-13T21:40:50","slug":"coin-flipping","status":"publish","type":"post","link":"https:\/\/www.blogs.euni.org\/?p=168","title":{"rendered":"Coin Flipping"},"content":{"rendered":"<p>Jack and Jill were sitting in the shade of a large tree, relaxing after attending some university lectures.<\/p>\n<p>\u201cWhat about flipping some coins, Jack,\u201d suggested Jill.<\/p>\n<p>\u201cGood idea, I have a silver dollar,\u201d offered Jack.<\/p>\n<p>\u201cProfessor Wiseman suggested a coin flipping game,\u201d said Jill. \u201cWe alternately flip a coin and the one who gets the same face as the last face to appear wins. Sound good to you?\u201d asked Jill.<\/p>\n<p>\u201cSure,\u201d said Jack,\u201cso long as I go first.\u201d<\/p>\n<p>\u201cNo problem, Jack, as always, you go first, even after I win,\u201d smiled Jill cheerfully.<\/p>\n<p>They proceeded to play quite a number of games, in which to Jack\u2019s dismay Jill always remained on top.<\/p>\n<p><em>\u00a0<\/em><\/p>\n<p><em>What is the probability of a game finishing before the coin is flipped six times?<\/em><\/p>\n<p><em>Why did Jill win twice as many times as Jack?<\/em><\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-168\" class=\"share-twitter sd-button share-icon no-text\" href=\"https:\/\/www.blogs.euni.org\/?p=168&amp;share=twitter\" target=\"_blank\" title=\"Click to share on 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What do you say?\u201d \u201cDusty,\u2026","rel":"","context":"In &quot;Probability&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":193,"url":"https:\/\/www.blogs.euni.org\/?p=193","url_meta":{"origin":168,"position":1},"title":"Shanghai Dart Tournament","date":"August 30, 2016","format":false,"excerpt":"At a Shanghai dart tournament, Henry asked a referee about the rounds played by Jack and Jill. \u201cI don\u2019t know exactly how many rounds they played before they left, but they flipped a coin each time to see who would go first, and I know that Jack won the toss\u2026","rel":"","context":"In &quot;Probability&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":337,"url":"https:\/\/www.blogs.euni.org\/?p=337","url_meta":{"origin":168,"position":2},"title":"The Blind Mice","date":"February 23, 2017","format":false,"excerpt":"\u201cHi Jack, how are things.\u201d Jill sat down at the caf\u00e9 table where Jack was enjoying a cup of coffee and eating a croissant as an afternoon snack to relax after university classes. \u201cFine, Jill, but feeling a bit weird,\u201d replied Jack, munching on his croissant. \u201cTell me all about\u2026","rel":"","context":"In &quot;Combinations&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":570,"url":"https:\/\/www.blogs.euni.org\/?p=570","url_meta":{"origin":168,"position":3},"title":"The Strange Number Pair","date":"February 21, 2018","format":false,"excerpt":"One evening, Jack found Jill sitting at a caf\u00e9 table with her attention riveted on a small, well-worn and water-logged ship\u2019s logbook in her hand. \u201cWhat\u2019s up, Jill,\u201d he said cheerfully. \u201cYou look puzzled.\u201d \u201cI really am, Jack. My great uncle drowned recently when his sailboat sank in the Aegean\u2026","rel":"","context":"In &quot;Algebra&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":892,"url":"https:\/\/www.blogs.euni.org\/?p=892","url_meta":{"origin":168,"position":4},"title":"The World Tour","date":"April 16, 2019","format":false,"excerpt":"On a Saturday evening early in May, there was a televised live band Latin dance show with ten selected couples gyrating at the Mundo de Salsa Dance Hall. \u201cWelcome to the Buenavista Travel Agency promotional dance, amigos. At the end of the evening some of you may become the winners\u2026","rel":"","context":"In &quot;Algebra&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":352,"url":"https:\/\/www.blogs.euni.org\/?p=352","url_meta":{"origin":168,"position":5},"title":"The Special Number","date":"March 23, 2017","format":false,"excerpt":"On a late June afternoon, Jill sat on the green grass by a small lake at the university with a concentrated look on her face.\u00a0Some ducks were quacking nearby. \u201cHi Jill, I see you are thinking about something, anything important?\u201d said Jack, who had quietly walked up to her on\u2026","rel":"","context":"In &quot;Algebra&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=\/wp\/v2\/posts\/168"}],"collection":[{"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=168"}],"version-history":[{"count":5,"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions"}],"predecessor-version":[{"id":173,"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions\/173"}],"wp:attachment":[{"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blogs.euni.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}