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Mathematics, 30.07.2021 07:30 Nopernope11

The standard formulation used by the GreatCoat Paint Company for its interior wall paint enables a 1-gallon can to cover 250 square feet. The company's research laboratory produces a new formulation, and
management is anxious to show that it covers the same area, not less. The experiment involves 20 cans of
the new formulation, and this sample gets mean coverage of 237 square feet with a standard deviation of 25
square feet. (17 pts)

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