Question Instance

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{
    "url": "https://numbas.mathcentre.ac.uk/api/questions/11933/?format=api",
    "name": "Probability of not choosing any from a subset",
    "published": true,
    "project": "https://numbas.mathcentre.ac.uk/api/projects/601/?format=api",
    "author": {
        "url": "https://numbas.mathcentre.ac.uk/api/users/697/?format=api",
        "profile": "https://numbas.mathcentre.ac.uk/accounts/profile/697/?format=api",
        "full_name": "Newcastle University Mathematics and Statistics",
        "pk": 697,
        "avatar": {
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    },
    "edit": "https://numbas.mathcentre.ac.uk/question/11933/probability-of-not-choosing-any-from-a-subset/?format=api",
    "preview": "https://numbas.mathcentre.ac.uk/question/11933/probability-of-not-choosing-any-from-a-subset/preview/?format=api",
    "download": "https://numbas.mathcentre.ac.uk/question/11933/probability-of-not-choosing-any-from-a-subset.zip?format=api",
    "source": "https://numbas.mathcentre.ac.uk/question/11933/probability-of-not-choosing-any-from-a-subset.exam?format=api",
    "metadata": {
        "notes": "<p><strong>7/07/2012:</strong></p>\n        <p>Added tags.</p>\n        <p>Added an alternative solution to this question (Method 2).</p>\n        <p>Checked calculation.</p>\n        <p><strong>22/07/2012:</strong></p>\n        <p>Added description.</p>\n        <p>Checked the stats extension box.</p>\n        <p>Perhaps the answer should be a decimal rather than a fraction - looks clumsy.</p>\n        <p><strong>31/07/2012:</strong></p>\n        <p>Question appears to be working correctly.</p>\n        <p><strong>20/12/2012:</strong></p>\n        <p>Could have a variant of this question by using 'scenario' string variables. Added sc tag for this. Also query the above point about a decimal solution rather than a fraction.&nbsp;</p>\n        <p>Checked calculation, OK. Added tested1 tag.&nbsp;</p>\n        <p>Improved display of numbers by texifying them.</p>\n        <p><strong>21/12/2012:</strong></p>\n        <p>Checked rounding, OK. Added tag cr1.</p>",
        "licence": "Creative Commons Attribution 4.0 International",
        "description": "<p>Given subset $T \\subset S$ of $m$ objects in $n$ find the probability of choosing without replacement $r\\lt n-m$ from $S$ and not choosing any element in $T$.</p>"
    },
    "status": "ok",
    "resources": []
}