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The makers of Mini-Oats Cereal have an automated packaging machine that can be set at any targeted fill level between 12 and 32 ounces. At the end of every shift (eight hours), 16 boxes are selected at random. Based on these sample results, the production control manager determines whether the filling machine needs to be readjusted or whether it remains all right to operate. Use α=0.05.
α=0.05.
Establish the appropriate null and alternative hypotheses to be tested for boxes that are supposed to contain an average of 24 ounces.H0: u= 24 ounces
Ha: u= 24 ounces
At the end of a particular shift during which the machine was filling 24-ounce boxes of Mini-Oats, the sample mean of 16 boxes was 24.42 ounces, with a standard deviation of 0.72 ounce. Assist the production control manager in determining if the machine is achieving its targeted average.
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