Mathematics, 05.02.2021 14:00, x0katie15

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 exactly 1 red?

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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...