Mathematics, 09.12.2021 15:40 mere33

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 442.0 gram setting. It is believed that the machine is underfilling the bags. A 42 bag sample had a mean of 441.0 grams. A level of significance of 0.05 will be used. Determine the decision rule. Assume the standard deviation is known to be 25.0. Enter the decision rule.

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