Mathematics, 23.04.2021 23:10 Soloaa
A machine that is programmed to package 1.20 pounds of cereal in each cereal box is being tested for its accuracy. In a sample of 36 cereal boxes, the mean and standard deviation are calculated as 1.22 pounds and 0.06 pound, respectively. Select the null and the alternative hypotheses to determine if the machine is working improperly, that is, it is either underfilling or overfilling the cereal boxes. Use the .05 level of significance.
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A machine that is programmed to package 1.20 pounds of cereal in each cereal box is being tested for...
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