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	<id>http://mathpuzzlewiki.com/index.php?action=history&amp;feed=atom&amp;title=Monty_Hall_problem</id>
	<title>Monty Hall problem - Revision history</title>
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	<updated>2026-04-04T17:11:45Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://mathpuzzlewiki.com/index.php?title=Monty_Hall_problem&amp;diff=788&amp;oldid=prev</id>
		<title>Oscarlevin at 15:36, 14 February 2011</title>
		<link rel="alternate" type="text/html" href="http://mathpuzzlewiki.com/index.php?title=Monty_Hall_problem&amp;diff=788&amp;oldid=prev"/>
		<updated>2011-02-14T15:36:00Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:36, 14 February 2011&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4&quot;&gt;Line 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;You are on the game show &amp;#039;&amp;#039;Let&amp;#039;s Make a Deal&amp;#039;&amp;#039; and host Monty Hall has chosen you to play a game.  He tells you that behind one of the three closed doors before you there is a fabulous new car.  But behind the other two, there are less than fabulous goats.  You can pick any one of the doors, and take home the prize there concealed.  You pick door 2.  Before revealing your prize, Monty Hall, as always, says &amp;quot;It&amp;#039;s sure a good thing you didn&amp;#039;t pick that door there.&amp;quot;  He points to one of the remaining doors as it opens, revealing a baying goat.  And now the suspense builds, as the host asks, &amp;quot;So, do you want to stay with your original choice, or change your mind?&amp;quot;  What should you do and does it matter?&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;You are on the game show &amp;#039;&amp;#039;Let&amp;#039;s Make a Deal&amp;#039;&amp;#039; and host Monty Hall has chosen you to play a game.  He tells you that behind one of the three closed doors before you there is a fabulous new car.  But behind the other two, there are less than fabulous goats.  You can pick any one of the doors, and take home the prize there concealed.  You pick door 2.  Before revealing your prize, Monty Hall, as always, says &amp;quot;It&amp;#039;s sure a good thing you didn&amp;#039;t pick that door there.&amp;quot;  He points to one of the remaining doors as it opens, revealing a baying goat.  And now the suspense builds, as the host asks, &amp;quot;So, do you want to stay with your original choice, or change your mind?&amp;quot;  What should you do and does it matter?&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==See also==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Let&#039;s make another deal]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Probability]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Probability]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Oscarlevin</name></author>
	</entry>
	<entry>
		<id>http://mathpuzzlewiki.com/index.php?title=Monty_Hall_problem&amp;diff=439&amp;oldid=prev</id>
		<title>Oscarlevin: Created page with &#039;A true classic, and probably the best example of how counter-intuitive conditional probability can be.  ==Puzzle==  You are on the game show &#039;&#039;Let&#039;s Make a Deal&#039;&#039; and host Monty ...&#039;</title>
		<link rel="alternate" type="text/html" href="http://mathpuzzlewiki.com/index.php?title=Monty_Hall_problem&amp;diff=439&amp;oldid=prev"/>
		<updated>2010-06-29T13:11:48Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039;A true classic, and probably the best example of how counter-intuitive conditional probability can be.  ==Puzzle==  You are on the game show &amp;#039;&amp;#039;Let&amp;#039;s Make a Deal&amp;#039;&amp;#039; and host Monty ...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;A true classic, and probably the best example of how counter-intuitive conditional probability can be.&lt;br /&gt;
&lt;br /&gt;
==Puzzle==&lt;br /&gt;
&lt;br /&gt;
You are on the game show &amp;#039;&amp;#039;Let&amp;#039;s Make a Deal&amp;#039;&amp;#039; and host Monty Hall has chosen you to play a game.  He tells you that behind one of the three closed doors before you there is a fabulous new car.  But behind the other two, there are less than fabulous goats.  You can pick any one of the doors, and take home the prize there concealed.  You pick door 2.  Before revealing your prize, Monty Hall, as always, says &amp;quot;It&amp;#039;s sure a good thing you didn&amp;#039;t pick that door there.&amp;quot;  He points to one of the remaining doors as it opens, revealing a baying goat.  And now the suspense builds, as the host asks, &amp;quot;So, do you want to stay with your original choice, or change your mind?&amp;quot;  What should you do and does it matter?&lt;br /&gt;
&lt;br /&gt;
[[Category:Probability]]&lt;/div&gt;</summary>
		<author><name>Oscarlevin</name></author>
	</entry>
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