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Mathematics, 02.07.2019 08:30 gbprulesmile
There is a bag filled with 4 blue and 5 red marbles. a marble is taken at random from the bag, the colour is noted and then it is not replaced. another marble is taken at random. what is the probability of getting 2 that are different in colour?
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There is a bag filled with 4 blue and 5 red marbles. a marble is taken at random from the bag, the...
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