{"id":555,"date":"2024-12-14T08:00:00","date_gmt":"2024-12-14T07:00:00","guid":{"rendered":"https:\/\/control-advent.com\/?p=555"},"modified":"2025-11-28T19:05:46","modified_gmt":"2025-11-28T18:05:46","slug":"14-un-mistero-fatto-di-pan-di-zenzero-quanti-biscotti-ci-sono-nel-forno","status":"publish","type":"post","link":"https:\/\/control-advent.com\/?p=555","title":{"rendered":"14 &#8211; Un mistero fatto di Pan di Zenzero: Quanti biscotti ci sono nel forno?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Autori di questa domanda:<\/strong> Francesco Dolce &amp; Adriano Fagiolini, <em>Dipartimento di Ingegneria, Mobile &amp; Intelligent Robots Panormus Laboratory (MIRPALab), <\/em>Universit\u00e0 di Palermo, Italia<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Babbo Natale sta preparando biscotti di pan di zenzero con i suoi elfi, ma non riesce a vedere quanti biscotti sono stati messi nel forno l&#8217;ultima volta perch\u00e9 \u00e8 chiuso e non ha un vetro trasparente che permette guardare dentro. Preferirebbe non aprire il forno, poich\u00e9 ci\u00f2 causerebbe una diminuzione della temperatura, rischiando di compromettere la cottura di alcuni biscotti. Come pu\u00f2 stimare Babbo Natale il numero di biscotti gi\u00e0 presenti nel forno senza aprirlo?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-1024x1024.jpeg\" alt=\"\" class=\"wp-image-428\" style=\"width:auto;height:600px\" srcset=\"https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-1024x1024.jpeg 1024w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-300x300.jpeg 300w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-150x150.jpeg 150w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-768x768.jpeg 768w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-1536x1536.jpeg 1536w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-2048x2048.jpeg 2048w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-640x640.jpeg 640w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-24x24.jpeg 24w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-36x36.jpeg 36w, https:\/\/control-advent.com\/wp-content\/uploads\/2024\/11\/14-Dec-2024-48x48.jpeg 48w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">a. \ud83e\udddd\u200d\u2642\ufe0f\ud83e\udd14\ud83d\udd75\ufe0f\u200d\u2642\ufe0f Pu\u00f2 chiedere a un elfo di ricordare quanti biscotti erano sulla teglia. Dopotutto, \u00e8 improbabile che gli elfi mentano\u2014non ruberebbero un biscotto o due quando nessuno guarda, vero?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b. \ud83d\udcca\ud83e\udddd\u200d\u2640\ufe0f\ud83c\udf6a Pu\u00f2 chiedere a ciascun elfo di ricordare quanti biscotti erano sulla teglia, quindi calcolare una media ponderata basata sull\u2019&#8221;affidabilit\u00e0&#8221; di ogni elfo\u2014una combinazione tra la loro capacit\u00e0 di ricordare accuratamente il numero e la loro onest\u00e0 quando si tratta di biscotti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c. \ud83d\udcda\ud83d\udcc8\ud83d\udd22 Pu\u00f2 usare dati storici sul numero medio di biscotti per teglia per stimare quanti biscotti gli elfi hanno probabilmente messo sulla teglia precedente. Dopotutto, cosa potrebbe mai andare storto con un po\u2019 di matematica natalizia applicata ai biscotti\u2014soprattutto con gli elfi coinvolti?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">d. \ud83e\uddea\ud83d\udd25\ud83d\udcdf Pu\u00f2 modellare come l\u2019inserimento dei biscotti influisca sulla temperatura del forno e la velocit\u00e0 con cui ritorna al valore desiderato impostato dalla manopola. Dopodich\u00e9, pu\u00f2 progettare un dispositivo che combini questo modello con i dati raccolti sulla temperatura del forno per calcolare retroattivamente quanti biscotti gli elfi hanno aggiunto. Sarebbe una perfetta fusione di scienza e pasticceria!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">e. \ud83c\udf6a\ud83c\udf6a\ud83c\udf6a Pu\u00f2 semplicemente caricare la prossima teglia con il maggior numero possibile di biscotti per assicurarsi che ce ne siano abbastanza per tutti. Dopotutto, la vita \u00e8 troppo breve per avere rimpianti sui biscotti\u2014specialmente con gli elfi che minacciano di scioperare se il barattolo dei biscotti rimane vuoto!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">f. \ud83e\udd8c\ud83c\udf2c\ufe0f\u2728 Pu\u00f2 chiedere a Rudolph di annusare l\u2019aria e stimare quanti biscotti ci sono nel forno dall\u2019odore. Deve pur esserci un motivo se \u00e8 una leggenda natalizia famosa per la sua incredibile abilit\u00e0 nel trovare i biscotti!<\/p>\n\n\n<div class=\"yop-poll-container\" data-yop-poll-id=\"19\"><script type=\"application\/json\" data-yop-poll-init>{\"poll\":{\"id\":\"19\",\"name\":\"14-Dec-2024\",\"template\":\"3\",\"template_base\":\"classic\",\"skin_base\":\"red-v1\",\"status\":\"published\",\"meta_data\":{\"style\":{\"poll\":{\"backgroundColor\":\"#b70004\",\"borderSize\":0,\"borderStyle\":\"none\",\"borderColor\":\"#b70004\",\"borderRadius\":0,\"paddingLeftRight\":10,\"paddingTopBottom\":10},\"questions\":{\"paddingLeftRight\":0,\"paddingTopBottom\":10,\"textColor\":\"#ffffff\",\"textSize\":14,\"textWeight\":\"normal\",\"textAlign\":\"center\"},\"answers\":{\"paddingLeftRight\":0,\"paddingTopBottom\":0,\"textColor\":\"#ffffff\",\"textSize\":14,\"textWeight\":\"normal\",\"skin\":\"minimal\",\"colorScheme\":\"black\"},\"buttons\":{\"backgroundColor\":\"#ffffff\",\"borderSize\":1,\"borderStyle\":\"solid\",\"borderColor\":\"#000000\",\"borderRadius\":0,\"paddingLeftRight\":10,\"paddingTopBottom\":5,\"textColor\":\"#000000\",\"textSize\":14,\"textWeight\":\"normal\",\"align\":\"center\"},\"errors\":{\"borderLeftColorForSuccess\":\"#008000\",\"borderLeftColorForError\":\"#ff0000\",\"borderLeftSize\":10,\"paddingTopBottom\":0,\"textColor\":\"#000000\",\"textSize\":14,\"textWeight\":\"normal\"},\"captcha\":[],\"custom\":{\"css\":\"\"}},\"options\":{\"poll\":{\"voteButtonLabel\":\"&gt;&gt;&gt;\",\"showResultsLink\":\"no\",\"resultsLabelText\":\"Results\",\"showTotalVotes\":\"no\",\"showTotalAnswers\":\"no\",\"startDateOption\":\"now\",\"startDateCustom\":\"\",\"endDateOption\":\"never\",\"endDateCustom\":\"\",\"redirectAfterVote\":\"no\",\"redirectUrl\":\"\",\"redirectAfter\":\"\",\"pageLink\":\"\",\"useCaptcha\":\"no\",\"enableGdpr\":\"no\",\"gdprSolution\":\"ask_consent\",\"gdprConsentText\":\"\",\"loadWithAjax\":\"no\",\"notificationMessageLocation\":\"top\"},\"results\":{\"showResultsMoment\":[\"never\"],\"customDateResults\":\"\",\"showResultsTo\":[],\"resultsDetails\":[\"percentages\"],\"backToVoteOption\":\"no\",\"backToVoteCaption\":\"Back to vote\",\"sortResults\":\"as-defined\",\"sortResultsRule\":\"asc\",\"displayResultsAs\":\"bar\"},\"access\":{\"votePermissions\":[\"wordpress\"]}}}},\"elements\":[{\"id\":\"19\",\"poll_id\":\"19\",\"etext\":\"Choose an option:\",\"etype\":\"question-text\",\"status\":\"active\",\"sorder\":\"1\",\"meta_data\":{\"allowOtherAnswers\":\"no\",\"otherAnswersLabel\":\"Other\",\"addOtherAnswers\":\"no\",\"displayOtherAnswersInResults\":\"no\",\"resultsColorForOtherAnswers\":\"#000000\",\"allowMultipleAnswers\":\"no\",\"multipleAnswersMinim\":\"1\",\"multipleAnswersMaxim\":\"1\",\"answersDisplay\":\"horizontal\",\"answersColumns\":\"\",\"answersSort\":\"as-defined\"},\"subelements\":[{\"id\":\"118\",\"poll_id\":\"19\",\"element_id\":\"19\",\"stext\":\"a\",\"stype\":\"text\",\"status\":\"active\",\"sorder\":\"1\",\"meta_data\":{\"makeDefault\":\"0\",\"makeLink\":\"0\",\"link\":\"\",\"resultsColor\":\"#000000\"}},{\"id\":\"119\",\"poll_id\":\"19\",\"element_id\":\"19\",\"stext\":\"b\",\"stype\":\"text\",\"status\":\"active\",\"sorder\":\"2\",\"meta_data\":{\"makeDefault\":\"0\",\"makeLink\":\"0\",\"link\":\"\",\"resultsColor\":\"#000000\"}},{\"id\":\"120\",\"poll_id\":\"19\",\"element_id\":\"19\",\"stext\":\"c\",\"stype\":\"text\",\"status\":\"active\",\"sorder\":\"3\",\"meta_data\":{\"makeDefault\":\"0\",\"makeLink\":\"0\",\"link\":\"\",\"resultsColor\":\"#000000\"}},{\"id\":\"178\",\"poll_id\":\"19\",\"element_id\":\"19\",\"stext\":\"d\",\"stype\":\"text\",\"status\":\"active\",\"sorder\":\"4\",\"meta_data\":{\"makeDefault\":\"0\",\"makeLink\":\"0\",\"link\":\"\",\"resultsColor\":\"#000000\"}},{\"id\":\"179\",\"poll_id\":\"19\",\"element_id\":\"19\",\"stext\":\"e\",\"stype\":\"text\",\"status\":\"active\",\"sorder\":\"5\",\"meta_data\":{\"makeDefault\":\"0\",\"makeLink\":\"0\",\"link\":\"\",\"resultsColor\":\"#000000\"}},{\"id\":\"224\",\"poll_id\":\"19\",\"element_id\":\"19\",\"stext\":\"f\",\"stype\":\"text\",\"status\":\"active\",\"sorder\":\"6\",\"meta_data\":{\"makeDefault\":\"0\",\"makeLink\":\"0\",\"link\":\"\",\"resultsColor\":\"#000000\"}}]}],\"messages\":{\"captcha\":{\"accessibility-alt\":\"Sound icon\",\"accessibility-title\":\"Accessibility option: listen to a question and answer it!\",\"accessibility-description\":\"Type below the [STRONG]answer[\\\/STRONG] to what you hear. 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