Data task 105: A pre-service teacher is using the data for classroom planning, assessment or school operations. The setting is a class timetable review. A sample contains 15 compliant and 5 non-compliant records. One is chosen at random. What is the probability it is compliant?

Data task 105: A pre-service teacher is using the data for classroom planning, assessment or school operations. The setting is a class timetable review. A sample contains 15 compliant and 5 non-compliant records. One is chosen at random. What is the probability it is compliant?

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