A random sample of 30 quart cartons of ice cream was taken from a large production...

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A random sample of 30 quart cartons of ice cream was taken froma large production run. Their mean fat content was 12.6 percentwith a standard deviation of 1.25 percent. Based on this, do webelieve that the average fat content in this type of ice cream ismore than 12 percent? Use the 0.01 level of significance.

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SolutionClaim the average fat content in this type of ice cream ismore than 12 percentie 12Given the hypothesisH0 12nullhypothesisH1    See Answer
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