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There is a bag filled with 5 blue and 4 red marbles. A marble is taken at random from the bag, the colour is noted and then it is replaced. Another marble is taken at random. What is the probability of
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There is a bag filled with 5 blue and 4 red marbles. A marble is taken at random from the bag, the colour is noted and then it is replaced. Another marble is taken at random. What is the probability of getting at least 1 red?

answer asap pls

User Chris Holmes
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the probability would be 80%, but this can also be wrote/answered as 4/5 or 4:5
User Browny Lin
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