MathematicsEasyHigh School (11–12)Statistics and Probability › Conditional Probability and Bayes' TheoremAPA-LevelIB
Created by StemPy LabEvery student at a college lives in exactly one of three places: on the campus, in the town or in a nearby village. A student is chosen at random. Which list of events forms a partition of the sample space?
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← In a survey, 80% of residents own a bicycle (event A) and 70% own a scooter (event B). Among the bicycle owners, what is the smallest possible percentage who also own a scooter?At a village school, 55% of the pupils are girls and 45% are boys. Of the girls, 20% come on foot. Of the boys, 30% come on foot. A pupil is picked at random. What is the probability that the pupil comes on foot? →
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