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Question 3 (a. . A manufacturer thinks her mean daily output is 450 units. A sample of 100 days ,_a reveals a mean of 432

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Question 3 (a. . A manufacturer thinks her mean daily output is 450 units. A sample of 100 days ,_a reveals a mean of 432 units with 52 = 4489. Testing the hypothesis at at = .05 which of the following statements are true. Selected b. Answer: To test the hypothesis, the correct Z test statistic for comparison is 1.645

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