Mathematics
Mathematics, 05.05.2020 21:43, jovonjones1234

A bag contains 3 red marbles and 4 blue marbles
a marble is taken out of the bag at random and replaced
another marble is taken from the bag
work out the probability that the 2 marbles taken out the bag are the same colour

answer
Answers: 2

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A bag contains 3 red marbles and 4 blue marbles
a marble is taken out of the bag at random an...

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