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A total of 30 bears-consisting of 10 red bears, 10

A total of 30 bears-consisting of 10 red bears, 10

A total of 30 bears-consisting of 10 red bears, 10 yellow bears, and 10 blue bears-are randomly arranged into 10 groups of 3 bears each. Compute the expected number of groups in which all 3 bears are different colors.

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A total of 30 bears-consisting of 10 red bears, 10yellow bears, and

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