A random sample of 25 people employed by the Florida state authority established they
Chapter 0, Problem 58(choose chapter or problem)
A random sample of 25 people employed by the Florida state authority established they earned an average wage (including benefits) of $65.00 per hour. The sample standard deviation was $6.25 per hour. a. What is the population mean? What is the best estimate of the population mean? b. Develop a 99 percent confidence interval for the population mean wage (including benefits) for these employees. c. How large a sample is needed to assess the population mean with an allowable error of $1.00 at 95 percent confidence?
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