// Numbas version: finer_feedback_settings
{"name": "Probability of flipping a coin and getting a tails", "extensions": [], "custom_part_types": [], "resources": [["question-resources/dice.svg", "/srv/numbas/media/question-resources/dice.svg"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"tags": ["taxonomy"], "statement": "", "variable_groups": [], "ungrouped_variables": [], "variables": {}, "functions": {}, "preamble": {"css": "", "js": ""}, "metadata": {"licence": "Creative Commons Attribution 4.0 International", "description": "<p>Choose the probability of getting a tails, from four options.</p>"}, "parts": [{"variableReplacementStrategy": "originalfirst", "marks": 0, "type": "gapfill", "gaps": [{"choices": ["<p>$1$</p>", "<p>$\\displaystyle\\frac{2}{3}$</p>", "<p>$\\displaystyle\\frac{1}{2}$</p>", "<p>$\\displaystyle\\frac{1}{3}$</p>"], "distractors": ["", "", "", ""], "marks": 0, "shuffleChoices": false, "variableReplacementStrategy": "originalfirst", "showCorrectAnswer": true, "displayColumns": 0, "maxMarks": 0, "displayType": "radiogroup", "variableReplacements": [], "type": "1_n_2", "matrix": [0, "0", "1", 0], "showFeedbackIcon": true, "minMarks": 0, "scripts": {}}], "prompt": "<p>An&nbsp;unbiased&nbsp;coin is flipped. What is the probability of getting a tails?</p>\n<p>[[0]]</p>", "showFeedbackIcon": true, "showCorrectAnswer": true, "variableReplacements": [], "scripts": {}}], "type": "question", "advice": "<h4></h4>\n<p></p>\n<p>When we flip an unbiased coin there are $2$ possible outcomes: heads or tails. Both outcomes are equally likely.</p>\n<p>\\[<br/>\\begin{align}<br/>P(\\text{tails}) &amp;= \\displaystyle\\frac{\\text{number of favourable outcomes}}{\\text{total number of outcomes}}\\\\<br/>&amp;= \\displaystyle\\frac{1}{2}.<br/>\\end{align}<br/>\\]</p>\n<h4></h4>", "rulesets": {}, "extensions": [], "name": "Probability of flipping a coin and getting a tails", "variablesTest": {"condition": "", "maxRuns": "100"}, "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Xiaodan Leng", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2146/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Xiaodan Leng", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2146/"}]}