Mathematics, 07.05.2021 01:00, aarrobic

A bag contains 4 black, 5 pink and 2 blue marbles. Cara randomly draws a marble out of the bag, keeps it, and then draw another marble. What is the probability that she draws a pick then a black?

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A bag contains 4 black, 5 pink and 2 blue marbles. Cara randomly draws a marble out of the bag, keep...