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The average McDonald's restaurant generates $2.1 million in sales each year with a standard deviation of...

The average McDonald's restaurant generates $2.1 million in sales each year with a standard deviation of 1. Ian wants to know if the average sales generated by McDonald's restaurants in Rhode Island is different than the worldwide average. He conducts a hypothesis test by surveying 34 restaurants in Rhode Island. What distribution would he use to perform the test?

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