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Answer to Question #54874 in Statistics and Probability for Anurodh

Question #54874
A random sample of size 64 has been drawn from a population with standard
deviation 20. The mean of the sample is 80.
i) Calculate 95% confidence limits for the population mean
ii) How does the width of the confidence interval changes if the sample size is
256 instead?
1
Expert's answer
2015-09-22T13:03:58-0400
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