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The mean age for all students at a college for a spring semester was 30. The population standard deviation has been consistent at 10. Suppose

The mean age for all students at a college for a spring semester was 30. The population standard deviation has been consistent at 10. Suppose that 25 students enrolled in the fall semester were randomly selected. The mean age for the sample was 29. Construct a 95% confidence interval for the true mean age for students enrolled in the fall semester. Interpret your result.

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