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  <id>9534</id>
  <path>/www/nrich/html/content/id/9534/</path>
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  <last_published>2012-09-19T08:22:19</last_published>
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&lt;mdoxml version=&quot;1.0&quot;&gt;&lt;br&gt;&lt;/br&gt;
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&lt;a href=&quot;http://nrich.maths.org/8135&quot;&gt;&lt;br&gt;&lt;/br&gt;
&lt;br&gt;&lt;/br&gt;
&lt;span style=&quot;font-size: 12pt;&quot;&gt;Problems ready for a simulation to be added&lt;/span&gt;&lt;/a&gt;&lt;br&gt;&lt;/br&gt;
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&lt;table style=&quot;width: 100%;border-spacing:1px;&quot; border=&quot;1&quot;&gt;
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&lt;td&gt;Cluster based on article&lt;/td&gt;
&lt;td&gt;Resource&lt;br&gt;&lt;/br&gt;
ID&lt;/td&gt;
&lt;td&gt;Title&lt;/td&gt;
&lt;td&gt;Brief description of content&lt;/td&gt;
&lt;td&gt;Target&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9646&quot;&gt;Conditional&lt;br&gt;&lt;/br&gt;
probability&lt;/a&gt;&lt;br&gt;&lt;/br&gt;
9646&lt;/td&gt;
&lt;td&gt;9525&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9525&quot;&gt;The dog ate my homework&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Conditional probability - models testing for presence of disease or DNA matching&lt;/td&gt;
&lt;td&gt;13-15, using tree diagrams and 2-way tables to record results and interpret them by considering expected results&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;16+, introduction to Bayes Theorem&lt;/td&gt;
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&lt;td&gt;Tree diagrams - a complete set of mutually exclusive narratives&lt;br&gt;&lt;/br&gt;
 &lt;/td&gt;
&lt;td&gt;9546&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9546&quot;&gt;Which team will win?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Introduction to probability trees (complete set of mutually exclusive narratives)&lt;/td&gt;
&lt;td&gt;11-13, introducing tree diagrams and 2-way tables, and using them to compare what happened experimentally with what we would expect to happen&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;13-15, combining probabilities, introducing the multiplicaton rule&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Developing a methodology for analysing problems - &lt;a href=&quot;http://nrich.maths.org/9648&quot;&gt;fractions and tree diagrams and introducing the multiplication rule&lt;/a&gt;&lt;br&gt;&lt;/br&gt;
9648&lt;/td&gt;
&lt;td&gt;9599&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9599&quot;&gt;Luigi&amp;#39;s Ice Cream Business&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Utility of money is non-linear, difference between one-off events and long-term performance, risk perceptions, rare events with potentially very high gains&lt;/td&gt;
&lt;td&gt;14-16, expectation, moving to using fractions on tree diagrams&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;9598&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;https://nrich.maths.org/9598&quot;&gt;To insure or not to insure&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Do you look at the expected gain over time of buying/not buying insurance - or focus on the impact of a one-off event, which may not happen?&lt;/td&gt;
&lt;td&gt;13-16, investigating a mathematical model of expectation&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Micromorts/microlives&lt;/td&gt;
&lt;td&gt;9611&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9611&quot;&gt;Will you live to be 100?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Micromort per event x exposure per year, accumulated over a life-time&lt;br&gt;&lt;/br&gt;
Difference between accidental (additive) and lifestyle (multiplicative)&lt;/td&gt;
&lt;td&gt;Game, aimed at 13-15 year-olds - play the game, then evaluate it.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Absolute and relative risks&lt;/td&gt;
&lt;td&gt;9600&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9600&quot;&gt;Numbers in the news&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Use health pack for this&lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Coincidences&lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;Collection of birthday problems&lt;/td&gt;
&lt;td&gt;Coincidences which are surprising to the subject, but are not surprising in the general population&lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Making predictions&lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;How good are the probabilities?&lt;/td&gt;
&lt;td&gt;Scoring predictions, weather forecasting, political forecasting&lt;/td&gt;
&lt;td&gt;Quiz - how confident are you that your answer is right?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9649&quot;&gt;Sampling&lt;/a&gt;&lt;br&gt;&lt;/br&gt;
9649&lt;/td&gt;
&lt;td&gt;9601&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9601&quot;&gt;The Wisdom of the Crowds&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Estimating the number of sweets in a jar.&lt;/td&gt;
&lt;td&gt;12-14, use of averages, building up a histogram&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;9685&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9685&quot;&gt;How Confident Are You?&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Wisdom of the Crowds revisited - using 90% probability estimates&lt;/td&gt;
&lt;td&gt;What does it mean to be 90% confident?&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;9609&lt;/td&gt;
&lt;td&gt;&lt;a href=&quot;http://nrich.maths.org/9609&quot;&gt;Capture and Recapture&lt;/a&gt;&lt;/td&gt;
&lt;td&gt;Estimating the number of badgers in a wood.&lt;/td&gt;
&lt;td&gt;12-14, introduction to sampling techniques, proportional reasoning.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Thinking through a logical argument, enumerating outcomes&lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt;Monty hall and Monty Hall revisited&lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
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  <noteXML/>
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  <end_user_role>5</end_user_role>
  <difficulty>0</difficulty>
  <keystage1>0</keystage1>
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  <keystage3>1</keystage3>
  <keystage4>1</keystage4>
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  <title>Footer for Modelling Prob wip</title>
  <description>Footer for Modelling Probability work in progress - lists and resources</description>
</resource>