Recently, Season Pizza has begun receiving complaints from customers about the amount of time they wait for their pizza deliveries. To address this issue, Seasons made some operational changes and added more delivery people to its staff. The restaurant would now like to test the hypothesis Seasons randomly sampled 36 customers and found that the sample mean delivery time was 27 minutes. Assume the population standard deviation is 7 minutes. Follow the steps for the critical value approach to test the claim that the average delivery time is less than 30 minutes using
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