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QUESTION
A farmer wants to try a new experimental diet on his hoSearchgs. He wants to be 95% confident that the average weight gain will be within 9 pounds.
A farmer wants to try a new experimental diet on his hoSearchgs. He wants to be 95% confident that the average weight gain will be within 9 pounds. If the standard deviation is 20 pounds, how many hogs should receive the new experimental diet?
