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A box contains 15 large marbles and 12 small marbles. Each marble is either green or...

A box contains 15 large marbles and 12 small marbles. Each marble is either green or white. 4 of the large marbles are green, and 6 of the small marbles are white. If a marble is randomly selected from the box, what is the probability that it is small or white? Express your answer as a decimal number rounded to three (3) decimal places.

.139

.853

.222

1.074

Math   Statistics-And-Probability   
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