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Perform hypothesis tests for the following:

You love donuts. You love them so that you decide to perform a
study on the average diameter of donuts. You found that the average
round donut size in the entire city of Los Angeles is no more than
3.2 inches. 3.2 inches is the optimum size for creating donuts per
Krispy Kreme. Granny’s Donuts, on the other hand, decided to
measure all their donuts on a given day and found that their
average donut size is 4 inches. Is the optimum donut diameter
3.2?