// Numbas version: finer_feedback_settings
{"name": "dfgdgd", "metadata": {"description": "", "licence": "None specified"}, "duration": 0, "percentPass": 0, "showQuestionGroupNames": false, "shuffleQuestionGroups": false, "showstudentname": true, "question_groups": [{"name": "Quiz", "pickingStrategy": "all-ordered", "pickQuestions": 1, "questionNames": ["", ""], "variable_overrides": [[], []], "questions": [{"name": "A2", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Aiden Price", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/18175/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "", "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": "information", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Let $X_i$ denote the event that there are at least $i$ students attending a tutorial.</p>\n<p>Consider the following notation:</p>\n<p>A. $X_1$</p>\n<p>B. $\\overline{X_1}$</p>\n<p>C. $X_1\\overline{X_2}$</p>\n<p>D. $\\overline{X_1}X_2$</p>\n<p>What notation can be used to describe each of the following events?</p>"}, {"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, 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"unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>At least one student came to class.</p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": false, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["A", "B", "C", "D"], "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""]}, {"type": "patternmatch", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "", "displayAnswer": "", "matchMode": "regex"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}, {"name": "A5", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Aiden Price", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/18175/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>A survey was conducted in a first year maths class. The results are as follows:</p>\n<table style=\"height: 91px; width: 425px; border-color: #000000; border-style: solid;\">\n<tbody>\n<tr style=\"height: 37px;\">\n<td style=\"width: 51.25px; height: 37px; border-style: dotted;\"></td>\n<td style=\"width: 98.75px; height: 37px; border-style: dotted;\">Brown Eyes</td>\n<td style=\"width: 90.625px; height: 37px; border-style: dotted;\">Blue Eyes</td>\n<td style=\"width: 124.375px; height: 37px; border-style: dotted;\">Total</td>\n</tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 51.25px; height: 18px; border-style: dotted;\">Male</td>\n<td style=\"width: 98.75px; height: 18px; border-style: dotted;\">23</td>\n<td style=\"width: 90.625px; height: 18px; border-style: dotted;\">35</td>\n<td style=\"width: 124.375px; height: 18px; border-style: dotted;\">58</td>\n</tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 51.25px; height: 18px; border-style: dotted;\">Female</td>\n<td style=\"width: 98.75px; height: 18px; border-style: dotted;\">82</td>\n<td style=\"width: 90.625px; height: 18px; border-style: dotted;\">12</td>\n<td style=\"width: 124.375px; height: 18px; border-style: dotted;\">94</td>\n</tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 51.25px; height: 18px; border-style: dotted;\">Total</td>\n<td style=\"width: 98.75px; height: 18px; border-style: dotted;\">105</td>\n<td style=\"width: 90.625px; height: 18px; border-style: dotted;\">47</td>\n<td style=\"width: 124.375px; height: 18px; border-style: dotted;\">152</td>\n</tr>\n</tbody>\n</table>\n<p>Estimate the following probabilities.</p>", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"": {"name": "", "group": "Unnamed group", "definition": "", "description": "", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [{"name": "Unnamed group", "variables": [""]}], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>What is the probability that a male student has brown eyes?</p>", "minValue": "0.396", "maxValue": "0.397", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>What is the probability that a student is male?</p>", "minValue": "0.381", "maxValue": "0.382", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}, {"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>What is the probability that a student in the class is a blue eyed female?</p>", "minValue": "0.078", "maxValue": "0.079", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question"}]}], "allowPrinting": true, "navigation": {"allowregen": true, "reverse": true, "browse": true, "allowsteps": true, "showfrontpage": true, "showresultspage": "oncompletion", "navigatemode": "sequence", "onleave": {"action": "none", "message": ""}, "preventleave": true, "startpassword": ""}, "timing": {"allowPause": true, "timeout": {"action": "none", "message": ""}, "timedwarning": {"action": "none", "message": ""}}, "feedback": {"showactualmark": true, "showtotalmark": true, "showanswerstate": true, "allowrevealanswer": true, "advicethreshold": 0, "intro": "", "reviewshowscore": true, "reviewshowfeedback": true, "reviewshowexpectedanswer": true, "reviewshowadvice": true, "feedbackmessages": [], "enterreviewmodeimmediately": true, "showexpectedanswerswhen": "inreview", "showpartfeedbackmessageswhen": "always", "showactualmarkwhen": "always", "showtotalmarkwhen": "always", "showanswerstatewhen": "always", "showadvicewhen": "inreview"}, "diagnostic": {"knowledge_graph": {"topics": [], "learning_objectives": []}, "script": "diagnosys", "customScript": ""}, "type": "exam", "contributors": [{"name": "Aiden Price", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/18175/"}], "extensions": [], "custom_part_types": [], "resources": []}