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Cause for concern for the management

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A soft drink dispenser is designed to dispense 330 ml of drink per cup. However, there have been recent reports to the management of a fast-food restaurant of both underfilled and overfilled cups. Seeking to investigate this matter, they fill up 50 cups using this machine. If the mean amount of drink in the 50 cups is 325 ml with standard deviation of 20 ml, is there cause for concern for the management? Use a level of significance of 0.01.

Show completely the steps in testing the hypothesis. ( p-value method)

Reference no: EM132880260

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