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A study by the International Coffee Organisation found that persons aged30 59 drank an average of 0.57 cups of coffee per day. Assuming that the

A study by the International Coffee Organisation found that persons aged30 –59 drank an average of 0.57 cups of coffee per day. Assuming that the sample size is 200 with a sample standard deviation of 0.4 cups, construct a 95% confidence interval for the population mean cup of coffee. Interpret your answer.


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