Question: All working Question Completion status. QUESTION 1 A random sample of size n = 10 from a normal population with of =40 yields a sample

All working

Question Completion status. QUESTION 1 A random sample of size n = 10 from a normal population with of =40 yields a sample mean of 15.2. A 99% confidence interval for the unknown population mean is given by (to one decimal place): [11.3, 19.1] [10.5, 19.9] [4.9, 25.5] O [10.0, 20.4]

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