Mathematics, 21.04.2020 16:41 powpow71

The National Collegiate Athletic Association (NCAA) reported that college football assistant coaches spend a mean of 70 hours per week on coaching and recruiting during the season. A random sample of 50 assistant coaches showed the sample mean to be 68.6 hours, with a standard deviation of 8.2 hours. Does the 99% confidence interval include the value suggested by the NCAA?

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