Mathematics, 06.04.2021 02:50 anjlieoutar4795
A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. The owner of the store has determined that home delivery will be successful only if the average time spent on a delivery does not exceed 32 minutes. The owner has randomly selected 20 customers and delivered pizzas to their homes in order to test whether the mean delivery time actually exceeds 32 minutes. What assumption is necessary for this test to be valid
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A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas....
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