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Paper 1Statistical Techniques2 marks
A bag contains 5 red balls and 3 blue balls. One ball is drawn at random. Let A be the event 'the ball is red' and B be the event 'the ball is drawn from the bag'.
Description
Ball Drawing
A bag contains 5 red balls and 3 blue balls. One ball is drawn at random.
- a[2]
Calculate the probability that the ball is red given that a ball has been drawn from the bag.
Aim for approximately 2 distinct marking points.
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