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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly...

A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 430 gram setting. It is believed that the machine is overfilling the bags. A 48 bag sample had a mean of 431 grams. Assume the population variance is known to be 144. Is there sufficient evidence at the 0.02 level that the bags are overfilled? Step 5 of 6 : Identify the level of significance for the hypothesis test.

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Answer #1

level of significance for the hypothesis test = 0.02                                                                                           

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