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

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Question 3 A manufacturer thinks her mean daily output is 450 units. A sample of 100 days x reveals a mean of 432 units with 62 = 4489. Testing the hypothesis at a = .05 which of the following statements are true. Selected b. Answer: To test the hypothesis, the correct Z test statistic for 1 645

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