Mathematics, 10.06.2020 01:57 escuderojohny
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 blues?,
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is the number of different combinations of x objects from a set of n elements, given by the following formula.
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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 c...
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