A box contains 3 white, 2 red, and 3 black marbles. One marble is chosen

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Home>Mathematics homework help>Numerical analysis homework help>A box contains 3 white, 2 red, and 3 black marbles. One marble is chosen

A box contains 3 white, 2 red, and 3 black marbles. One marble is chosen at random, and it is not black. Find the probability that it is white. (Enter your answer as a fraction.)