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my question is in the screenshot provided Problem #1: [2 marks] Suppose that a researcher collected a sample of size 23 from a normal population

my question is in the screenshot provided

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Problem #1: [2 marks] Suppose that a researcher collected a sample of size 23 from a normal population and produced the following 99% confidence interval for the population mean , with the population standard deviation known: (15.29, 19.49). Find a 95% confidence interval for & based on the same sample. Problem #1: enter your answer in the form a,b (numbers correct to 2 decimals) Save Your work has been saved! (Back to Admin Page)

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