Question: A machine used to fillgallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 121 121 ounces and a

A machine used to fillgallon-sized paint cans is regulated so that the amount of paint dispensed has a mean of 121

121 ounces and a standard deviation of 0.40

0.40 ounce. You randomly select 45

45 cans and carefully measure the contents. The sample mean of the cans is 120.9

120.9 ounces. Does the machine need to bereset? Explain your reasoning.

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