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Directions :Study the given Information carefully and answer the questions that follow: An urn contains 6 red - 4 blue - 2 green and 3 yellow marbles. If four marbles are picked at random - what is the probability that at least one is blue

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Directions :Study the given Information carefully and answer the questions that follow: An urn contains 6 red - 4 blue - 2 green and 3 yellow marbles. If four marbles are picked at random - what is the probability that at least one is blue






 
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