// Numbas version: exam_results_page_options {"name": "Interval notation (a,b)", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Interval notation (a,b)", "tags": [], "metadata": {"description": "

Simple questions on interval notation. If you are not randomising the order of your questions please turn on randomise choices in these questions.

", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "

Which of the following describe the interval $(\\var{a},\\var{b})$?

", "advice": "

The open (round) brackets in $(\\var{a},\\var{b})$ signify that those endpoints are not included in the interval (but all real numbers between them are included). This is known as the open interval $(\\var{a},\\var{b})$.

", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"a": {"name": "a", "group": "Ungrouped variables", "definition": "random(-10..10#0.25)", "description": "", "templateType": "anything", "can_override": false}, "b": {"name": "b", "group": "Ungrouped variables", "definition": "a+delta", "description": "", "templateType": "anything", "can_override": false}, "delta": {"name": "delta", "group": "Ungrouped variables", "definition": "random(1..10#0.25)", "description": "

delta

", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["a", "b", "delta"], "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": "1", "showCellAnswerState": true, "choices": ["

All the real numbers between $\\var{a}$ and $\\var{b}$ inclusive (i.e. including $\\var{a}$ and $\\var{b}$).

", "

All the real numbers between $\\var{a}$ and $\\var{b}$ exclusive (i.e. excluding $\\var{a}$ and $\\var{b}$).

", "

All the real numbers between $\\var{a}$ and $\\var{b}$, including $\\var{a}$ but not including $\\var{b}$.

", "

All the real numbers between $\\var{a}$ and $\\var{b}$, including $\\var{b}$ but not including $\\var{a}$.

"], "matrix": ["0", "1", 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}]}], "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}