Social Studies, 07.04.2020 01:23 jeff6284

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a population standard deviation of three hours, what is the required sample size if the error should be less than a half hour with a 99% level of confidence?

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A group of statistics students decided to conduct a survey at their university to find the average (...