{"id":129,"date":"2018-02-20T09:54:09","date_gmt":"2018-02-20T15:54:09","guid":{"rendered":"http:\/\/blogs.acu.edu\/mu_sigma\/?p=129"},"modified":"2018-02-20T09:55:25","modified_gmt":"2018-02-20T15:55:25","slug":"129","status":"publish","type":"post","link":"https:\/\/blogs.acu.edu\/mu_sigma\/2018\/02\/20\/129\/","title":{"rendered":"Problem of the Week &#8211; Problem 5 &#8211; Spring 2018"},"content":{"rendered":"<h4><strong>ACU Mathematics Problem of the Week<\/strong><\/h4>\n<hr \/>\n<p>Problem 5 &#8211; February 20th, 2018<\/p>\n<p>The Problem of the Week competition, sponsored by Mu Sigma, is now live. \u00a0This week&#8217;s problem can be found below or slips of paper with the problem description can be found on the main bulletin board in the math department. \u00a0Students have two weeks from issuance of the problem to construct a solution. \u00a0Simple answers will not suffice for most problems. \u00a0Your solution must demonstrate a solution method and communicate some understanding of that method to qualify. \u00a0Students with correct responses will be identified on this blog and the math bulletin board, and the student or students with the most correct responses during the year will be recognized at the departmental dinner each spring. \u00a0This competition is open to all students regardless of major or affiliation with the department. \u00a0You may return your solutions to Gaye in the math office any time before noon on the final day.<\/p>\n<p><strong>Issued: \u00a0Tuesday, February 20th<\/strong><br \/>\n<strong>Return Solutions By: \u00a0Monday, March 5th<\/strong><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: xx-large\"><b>The Average Birthdate\u00a0of the President<\/b><\/span><\/p>\n<p><i>Thanks to Dr. John Ehrke for suggesting this\u00a0problem.<\/i><\/p>\n<p>An online article recently proclaimed that the average birthdate of the American presidents from Washington to Trump considering only the month and date of birth (not the year) was July 4<sup>th<\/sup>.\u00a0 How patriotic!\u00a0 The article described their method for calculating the birthdate as to create a list of days numbered 1-366 with January 1<sup>st<\/sup> listed first and December, 31<sup>st<\/sup> listed last.\u00a0 The leap year date was included in the listing.\u00a0 The author then averaged all those dates and arrived at approximately 185, which falls on July 4<sup>th<\/sup>.<\/p>\n<p>Questions:<\/p>\n<ol>\n<li>Is the article\u2019s conclusion correct? If so, defend their conclusion with a mathematical justification and a more rigorous analysis.<\/li>\n<li>If you think the article\u2019s conclusion is incorrect, explain why you think so. Carefully detail your own procedure for arriving at your answer.<\/li>\n<\/ol>\n<p>The winner of this contest will not be the first one to respond, but the one whose work most thoroughly convinces the judges of their answer.<\/p>\n<p>A table of birthdates for all the presidents is included below.<\/p>\n<p><a href=\"http:\/\/blogs.acu.edu\/mu_sigma\/files\/2018\/02\/presidentbirthdays.png\">http:\/\/blogs.acu.edu\/mu_sigma\/files\/2018\/02\/presidentbirthdays.png<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ACU Mathematics Problem of the Week Problem 5 &#8211; February 20th, 2018 The Problem of the Week competition, sponsored by Mu Sigma, is now live. \u00a0This week&#8217;s problem can be found below or slips of paper with the problem description can be found on the main bulletin board in the math department. \u00a0Students have two [&hellip;]<\/p>\n","protected":false},"author":130,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[181534],"tags":[],"class_list":["post-129","post","type-post","status-publish","format-standard","hentry","category-problem-of-the-week"],"_links":{"self":[{"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/posts\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/users\/130"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/comments?post=129"}],"version-history":[{"count":3,"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/posts\/129\/revisions"}],"predecessor-version":[{"id":132,"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/posts\/129\/revisions\/132"}],"wp:attachment":[{"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/media?parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/categories?post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.acu.edu\/mu_sigma\/wp-json\/wp\/v2\/tags?post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}