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The blocks can be distinguished only by color if the child

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A child's set of blocks consists of 2 red, 4 blue, and 5 yellow cubes. The blocks can be distinguished only by color. If the child lines up the blocks in a row at random, calculate the following probabilities:

(i) Red blocks appear at both ends.
(ii) All yellow blocks are adjacent.

Reference no: EM13580387

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