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Karsh has been breeding two different types of angel fish: a common breed and a rare...

Karsh has been breeding two different types of angel fish: a common breed and a rare breed. His 14 common breeds have mean length 3.2 inches with standard deviation 0.4 inches. His 12 rare breed have mean length 3.4 inches with standard deviation 0.3 inches. Create a 95% confidence interval for the true difference in mean lengths between the common and rare fish.

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