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Answer to Question #85579 in Statistics and Probability for Anand
Question #85579
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?
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?
Expert's answer
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