Probability Quiz: An urn contains 6 red, 4 blue, 2 green and 3 yellow | HelloExamz

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An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles.

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Total number of marbles in the urn = 6 + 4 + 2 + 3 = 15 Total number of ways in which four marbles can be picked randomly from the urn = 15C4 = 1365 Number of blue marbles in the urn = 4 Total number of ways in which two blue marbles can be picked = 4C2 Number of...

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