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Mathematics, 05.05.2020 06:12 KA115
The average number of pounds of sliced ham ordered per customer at the deli where Dennis used to work was 1.4, but at his new job, the average of the 32 people who have ordered ham so far is 1.5 pounds, with a standard deviation of 0.3 pounds. a) Write the null and alternative hypotheses to test if the average amount of ham bought is higher at the new store. , b) For find the rejection region in terms of z. [Write your answer with 2 decimal places.] c) What test statistic corresponds to an of 1.5 pounds? [Round your answer to 2 decimal places.] d) Should you reject the null hypothesis?
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