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A machine used to fill gallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 130 ounces and a

A machine used to fill gallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 130 ounces and a standard deviation of 0.30 ounce. You randomly select 45 can and carefully measure the contents. The sample mean of the cans is 129.9 ounces. Does the machine need to be reset? Explain your reasoning

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