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A market researcher selects a simple random sample of n=100 Facebook users from a population of over 100 million Facebook registered users. After analyzing the
A market researcher selects a simple random sample of n=100 Facebook users from a population of over 100 million Facebook registered users. After analyzing the sample, she states that she has 95% confidence that the mean time spent on the site per day is between 14 and 60 minutes. Suppose the population mean time spent on the site is 40 minutes a day. Is the confidence interval estimate stated correct? Explain.
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