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A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine the 99% confidence interval for the population mean. (round your answers
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A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine the 99% confidence interval for the population mean. (round your answers to 2 decimal places.)

User Amin Sayed
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3 votes
The answer I think is D.
User Shadoath
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