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.A box contains 17 large marbles and 20 small marbles. Each marble is either green or white. 8 of the large marbles are green, and

.A box contains 17 large marbles and 20 small marbles. Each marble is either green or white. 8 of the large marbles are green, and 3 of the small marbles are white. If a marble is randomly selected from the box, what is the probability that it is small or green? Express your answer as a fraction or a decimal number rounded to four decimal places.

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