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{
"url": "https://numbas.mathcentre.ac.uk/api/questions/482/?format=api",
"name": "IP3.3",
"published": true,
"project": "https://numbas.mathcentre.ac.uk/api/projects/3/?format=api",
"author": {
"url": "https://numbas.mathcentre.ac.uk/api/users/6/?format=api",
"profile": "https://numbas.mathcentre.ac.uk/accounts/profile/6/?format=api",
"full_name": "Bill Foster",
"pk": 6,
"avatar": null
},
"edit": "https://numbas.mathcentre.ac.uk/question/482/ip3-3/?format=api",
"preview": "https://numbas.mathcentre.ac.uk/question/482/ip3-3/preview/?format=api",
"download": "https://numbas.mathcentre.ac.uk/question/482/ip3-3.zip?format=api",
"source": "https://numbas.mathcentre.ac.uk/question/482/ip3-3.exam?format=api",
"metadata": {
"notes": "\n \t\t<p><strong>7/07/2012:</strong></p>\n \t\t <p>Added tags.</p>\n \t\t <p>Checked calculations.</p>\n \t\t <p><strong>22/07/2012:</strong></p>\n \t\t <p>Added description.</p>\n \t\t <p>Improved display, in particular replaced $E(X)$ by $E[X]$.</p>\n \t\t <p>Corrected typo in Advice (\"if\" instead of \"of\").</p>\n \t\t <p>Ticked stats extension box.</p>\n \t\t <p><strong>31/07/2012:</strong></p>\n \t\t <p>Added tags.</p>\n \t\t <p>Question appears to be working correctly.</p>\n \t\t <p><strong>20/12/2012:</strong></p>\n \t\t <p>Improved display of integers in statement.</p>\n \t\t <p>Added tag udf for user-defined functions.</p>\n \t\t <p>One such:</p>\n \t\t <p>scale(a,b,c)=map(b*x+c,x,a), scaling the list a.</p>\n \t\t <p>Calculation OK. Added tested1 tag.</p>\n \t\t",
"description": "<p>Two numbers from a set of $5$ numbers are chosen at random, without replacement. Find the distribution $X$ of their sum and $E[X]$.</p>",
"licence": "Creative Commons Attribution 4.0 International"
},
"status": "ok",
"resources": []
}