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An advertising agency that serves a major radio station wants to estimate the mean amount of time that the stations audience spends listening to the
- An advertising agency that serves a major radio station wants to estimate the mean amount of time that the stations audience spends listening to the radio daily. From past studies, the standard deviation is estimated as 45 minutes. What sample size is needed if the agency wants to be 97% confident of being correct to within 5 minutes?
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Essentials of Business Analytics
Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
2nd edition
1305627733, 978-1305861817, 1305861817, 978-0357688960, 978-1305627734
