MathematicsMediumHigh School (11–12)Statistics and Probability › Conditional Probability and Bayes' TheoremAPA-LevelIBAEEE (Amrita)AMUEEEAP EAPCET
Created by StemPy LabAn email filter handles a stream of messages, of which are spam. The filter flags of the spam messages and of the genuine messages. A message is flagged. What is the probability that it is spam?
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← 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?A fair die decides which box a ball is drawn from. The figure shows the three boxes and the throws that choose them. A ball is drawn from the chosen box. What is the probability that the ball is red? →
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