// Numbas version: finer_feedback_settings
{"name": "Test Exam", "metadata": {"description": "", "licence": "None specified"}, "duration": 1200, "percentPass": 0, "showQuestionGroupNames": false, "shuffleQuestionGroups": false, "showstudentname": false, "question_groups": [{"name": "Group", "pickingStrategy": "all-shuffled", "pickQuestions": 1, "questionNames": ["", "", "", "", "", "", "", "", "", "", "", "", ""], "variable_overrides": [[], [], [], [], [], [], [], [], [], [], [], [], []], "questions": [{"name": "Capacity", "extensions": [], "custom_part_types": [], "resources": [["question-resources/Untitled_vWiW8AT.png", "/srv/numbas/media/question-resources/Untitled_vWiW8AT.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>The diagram shows the dimensions of a rectangular prism.</p>\n<p style=\"text-align: center;\"><img src=\"resources/question-resources/Untitled_vWiW8AT.png\"/></p>\n<p style=\"text-align: left;\">The prism has a capacity of 76.5 litres.</p>\n<p style=\"text-align: left;\">What is the height (h) of the prism?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["0.02 cm", "2 cm", "20 cm", "200 cm"], "matrix": [0, 0, "1", 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Probability", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Theo rolls a standard die and selects a marble from a bag that contains four equal-sized marbles. Each marble is labelled with a number: 1, 2, 3 or 4.</p>\n<p>What is the probability that at least the die or the marble shows the number 1?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["$ \\frac {1}{12}", "$ \\frac {1}{5}", "$ \\frac {3}{8}", "$ \\frac {5}{12}"], "matrix": ["Ungrouped variables", 0, "0", "1"], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Error in measurement", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>The length of a bridge was measured to be 212.4 metres, correct to the nearest 10 cm.</p>\n<p>What is the percentage error of this measurement, correct to two significant figures?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["0.024%", "0.047%", "2.4%", "4.7%"], "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Statistics", "extensions": [], "custom_part_types": [], "resources": [["question-resources/Untitled_M3HXEFu.png", "/srv/numbas/media/question-resources/Untitled_M3HXEFu.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>The box-plots represent the number of hours that:</p>\n<ul>\n<li>200 students from Johnsonia High School spent learning to drive with their driving instructors</li>\n<li>a certain number of students from Flowerdale High School spent learning to drive with their driving instructors.</li>\n</ul>\n<p style=\"text-align: center;\"><img src=\"resources/question-resources/Untitled_M3HXEFu.png\" width=\"580\" height=\"268\"/></p>\n<div class=\"page\" data-page-number=\"5\" data-loaded=\"true\">\n<div class=\"textLayer\">The same number of students from both schools spent 20 &ndash;30 hours learning to drive.</div>\n<div class=\"textLayer\">How many students do the box-plots represent in total?</div>\n</div>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["600", "800", "1000", "1200"], "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Commission", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Hugh and Louis work as sales representatives for the same company. Hugh earns $300 per week plus 3.5% commission on sales. Louis earns 5% commission on sales only.</p>\n<p>What value of sales would Hugh and Louis each need to achieve to earn the same amount?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["\\$5000", "\\$10000", "\\$20000", "\\$30000"], "matrix": [0, 0, "1", 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Simple Interest", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Thomas invests $9000 in a bank account that earns 0.5% simple interest per month.</p>\n<p>Which of the following expressions represents the amount of interest that Thomas&rsquo; account will have earned after four years?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["$I = 9000 \\times 0.005 \\times 4$", "$I = 9000 \\times 0.05 \\times 48$", "$I = 9000 \\times 0.05 \\times 4$", "$I = 9000 \\times 0.005 \\times 48$"], "matrix": [0, 0, 0, "1"], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Equations dosage", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Andrea, aged 38, starts having cold and flu symptoms. Her doctor recommends that she take a cold and flu medicine. Andrea consumes the adult dosage three times a day over a 24-hour period as recommended. During that period, she consumes 75 mL of medicine.</p>\n<p>The dosage for children aged 1&ndash;2 years old is given by Fried&rsquo;s formula.</p>\n<p>\\[ \\text{dosage for children 1-2 years} = \\frac{ \\text{age of child (in months)} \\times \\text{adult dosage} }{150} \\]</p>\n<p>What is the recommended dosage of the cold and flu medicine for a child who is one-and-a-half years old?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["0.25 mL", "0.75 mL", "3.00 mL", "9.00 mL"], "matrix": [0, 0, "1", 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Statistics", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Which of the following symbols represents population mean?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["$s$", "$\\sigma$", "$\\mu$", "$\\overline{x}$"], "matrix": [0, 0, "1", 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Linear relationships", "extensions": [], "custom_part_types": [], "resources": [["question-resources/a_p5DiP4U.png", "/srv/numbas/media/question-resources/a_p5DiP4U.png"], ["question-resources/b_uRVSNXb.png", "/srv/numbas/media/question-resources/b_uRVSNXb.png"], ["question-resources/c_npNrs8D.png", "/srv/numbas/media/question-resources/c_npNrs8D.png"], ["question-resources/d_XLrVu76.png", "/srv/numbas/media/question-resources/d_XLrVu76.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Which of the following could represent the graph of $y= 3x+ 2$?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["<img src=\"resources/question-resources/a_p5DiP4U.png\"/>", "<img src=\"resources/question-resources/b_uRVSNXb.png\"/>", "<img src=\"resources/question-resources/c_npNrs8D.png\"/>", "<img src=\"resources/question-resources/d_XLrVu76.png\"/>"], "matrix": [0, "1", 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "World locations", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>The coordinates of the city of New York are approximately (40&deg;N, 75&deg;W). The coordinates of Nicosia are approximately (35&deg;N, 30&deg;E).</p>\n<p>What is the local time in Nicosia if it is 7:00 am in New York?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["10:00am", "12:00pm", "2:00pm", "10:00pm"], "matrix": [0, 0, "1", 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Straight line depreciation", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Jo purchased a car for \\$75 000. The value of the car depreciates \\$5000 per year. The current salvage value of the car is \\$60000.When did Jo purchase the car?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["two years ago", "three years ago", "four years ago", "five years ago"], "matrix": [0, "1", 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "GST", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>Rian pays $30 including goods and services tax (GST) for a haircut. What amount of GST does Rian pay?</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["$2.73", "$3.00", "$3.30", "$27.00"], "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "Probability", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Gavin Parker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4596/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>A container holds 10 discs. Four discs are red, two are yellow and the remainder are blue. 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